H12-811_V1.0 HCIA-Datacom V1.0 Exam Question and Answers

telnetlib is a module provided by Python to implement the Telnet protocol.

Which of the following statements is true about the edge port in RSTP?

Which of the following packets is used by OSPF to describe its link state database (LSDB)?

How to add AP on AC.? ()*

From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? ()

The following figure shows the configuration of a sub-interface on a router. For which VLAN does the sub-interface receive tagged data frames?

Which of the following applications is based on the TCP protocol?()*

What command line views exist on the VRP operating platform? ()*

VLAN 4095 is reserved for system use and VLAN 1 cannot be deleted on Huawei switches.

Which of the following are not open interfaces for Huawei network equipment? ()*

The network shown in the figure. Which of the following configurations can realize that the host A can access the Internet, but the host B can not? (ABCD) (Multiple Choice Questions)

According to the VTY user interface configuration shown in the following figure, the user level is set to 3.

By referring to the topology and the configurations of G0/0/1 interfaces on LSW1 and LSW2 shown in the figure, it can be determined that data frames tagged with VLAN 10 can be normally forwarded between LSW1 and LSW2.

As shown in the following figure, in the switching network, all switches are running the stp protocol. When the topology is stable, which of the following switches can be used to modify the BPDU sending cycle. Can it affect the SWD configuration BPDU sending cycle? () (Single-choice question)

SDN requires the control and forwarding planes to be separated.

If the value of the "Type/Length" field of an Ethernet data frame is 0x0800, the length range of the upper-layer packet header carried by the data frame is from 20B to 60B.

The network shown in the figure below. The host has an ARP cache. Which of the following statements are correct? )(Multiple Choice Questions)

Through sR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time and rapid development of the business. What are the following characteristics of Segment Routing?

In STP, which of the following items may affect the selection of the root switch?

After switches are virtualized into one logical switch using stacking or CSS, an inter-chassis Eth-Trunk can be deployed to improve network reliability.

When both ends running PPP protocol detect that the physical link is active, the link state will transit from dead to establish. Which of the following protocols is used to negotiate the link parameters during this phase?

Which of the following IEEE802.11 standards support operation in the 5GHz frequency band? ()

Which of the following is a link-state routing protocol?

Dynamic routing protocols can automatically adapt to network topology changes.

SWA and SWB run RSTP. Which of the following statements are true?

As shown in the figure below. All switches enable the $P protocol and keep other configurations in their default state. When the network is stable, are the following statements correct? () (Multiple Choice Questions)

As shown in the figure below. Router A has passed the IP address 10.0.12.2 Telnet Router B. Which of the following operations on the current interface will cause the Telnet session between Router A and Router B to be interrupted? () (Multiple Choice Questions)

An administrator wishes to manage the router in the remote branch office, which method can be used?

On Huawei routers, which of the following is the default preference of static routing?

Which frequencies does IEEE802.11n support? ()

To enable Router A to communicate with Loopback 0 on Router B on the network shown in the figure, which of the following commands needs to be run on Router A?

Fit APs can work independently of an AC.

Which of the following statements about IPv6 address configuration are correct? ()*

Refer to the following configuration of an interface on a switch. For which VLAN does the interface transmit tagged data frames?

interface GigabitEthernet0/0/1

port hybrid tagged vlan 2 to 3 100

port hybrid untagged vlan 4 6

Which of the following statements about the default route are correct?

You can run the user-interface maximum-vty command to configure the maximum number of users who can log in to the device through Telnet simultaneously.

Fit APs can provide wireless services independently of an AC.

Ethernet_I containing the Ethernet headerIWhat is the length of the frame? ()

FIT AP can work independently without relying on AC. ()

The following rules exist in an ACL of a router. Rule deny top source192.168, 1.00.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 is the correct statement? ()

The configuration of the country code will affect the frequency used for actual transmission and the maximum transmission power. ()

On the Huawei VRP, what is the default preference of different route types, in descending order?

By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()

The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)

The administrator made the configuration on the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)

ip pool pooll

netyork10.10.10.0ask255.255.255.0

gateway-list 10.10.10.1

Which of the following descriptions about the switch is wrong?

Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other. ()(True or False)

All the devices in the picture can communicate normally. Is the corresponding relationship between the MAC address table of $WA and the port correct? () (Single-choice question)

Using the command mkdirtest in the VRP operating platform, the system will create a directory named test. ()

Which of the following statements are correct for the MAC address of the existing switch? ()

The topology shown in the figure and the configuration on the interconnection ports of the switch. Can it be judged that the data frame tagged as VLAN10 can be forwarded normally between the two switches? ()(True or False)

(LSW1) interface GigabitEthernet 0/0/1

(LSW1-GigabitEthernet0/0/1) port link-type trunk

(LSW1-GigabitEthernet0/0/1) port trunk pvid vlan 20

(LSW1-GigabitEthernet0/0/1) port trunk allow-passvlan 10

#

(LSW2) interface GigabitEthernet 0/0/1

(LSW2-GigabitEthernet0/0/1) port link-type trunk

(LSW2-GigabitEthernet0/0/1 port trunk pvid vlan 10

(LSW2-GigabitEthernet0/0/1) port trunk allow-passvlan 10

You can manually specify the source address or source interface of the CAPWAP tunnel on the AC. ()

In the figure below, all switches have enabled the STP protocol, assuming that the path cost value of all ports is 200. What is the root path cost value contained in the configuration BPDU message received by the G0/0/4 port of $WD? () (Single-choice question)

Which of the following types of addresses are not included in IPv6 addresses? ()

By default, the bridge priority of Huawei switches is 32768 ()

In the OSPF protocol, which of the following descriptions of DR is correct? ()

The administrator hopes that all hosts cannot access the Internet from 8:00-17:00 every day, so in the interface configuration of GO/0/1, trahic-HIter outbounD. Which ACL rule needs to be bound? ()

Which of the following is not included in AAA? ()

When the Access type port sends a message, it will ().

The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)

All ports on the root bridge exchange machine are designated ends ()

Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()

The network shown in the figure below. The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data is forwarded by the router, what are the destination MAC and destination IP? )(Single-choice question)

Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID. Refer to the figure below. What are the default errors of other configurations? () (Single-choice question)

A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which of the following protocols will be used? ()

The protocol uses the P/A. mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary loop? ()

The two switches shown in the figure below have both enabled the STP protocol. Which port will eventually be in the Blocking state? ()

The Hybri D port can be connected to the user host or other switches. ()

AC. Use CAPWAP control tunnel to transmit management messages to FIT AP. ()

The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation, and all interfaces are added to the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port ? () (Single-choice question)

On an interface that uses PPP as the data link layer protocol, can you configure a static route by specifying the next hop address or outbound interface? ()

As shown in the figure, two switches use the default parameters to run STP root primary; Switch B uses the configuration command STP priority 0. Then which port will be blocked? () (Single-choice question)

As shown in the figure below. Which port of the following switches will be blocked? () (Single-choice question)

Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()

In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()

Which of the following commands can change the device name to huawei? ()

As shown in the figure below. Which network device can host A and host B use to achieve communication? () (Single-choice question)

Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3 forwarding? ()

The switch G0/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch forward without VLANTAG? ? () (Single-choice question)

Which of the following parameters cannot be used for advanced access control lists? ()

If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()

Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single-choice question)

The switch GE0/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch not carry when forwarding?()

The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue the configuration ()

In the network shown in the figure below, the switch uses VLANIF interfaces to connect with the router sub-interfaces. Which of the following configurations can achieve this requirement? () (Single-choice question)

As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA MAC address and port correct? () (Single-choice question)

If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()

The output information of the STP port of a certain switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)

ï¼»Huaweiï¼½display stp interface Ethernet 0/0/1

-------［CIST Global Info］［Mode STP］-------

CIST Bridge: 32768.4c1f-cc46-4618

Config TimesHello 4s MaxAge 20s FwDly 15s MaxHop 20

Active Times:Hello 2s MaxAge 20s FwDly 15s MaxHop 20

CIST Root/ERPC:0.4c1f-ccf7-3214/200000

CIST RegRoot/IRPC: 32768.4c1f-cc46-4d18/0

When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()

By default, it takes at least 30s for the port status in the STP protocol to change from Disable D. to Forwarding status. ()

If the broadcast address of a network is 172.16.1.255, what might its network address be? ()

Which statement about the 0SPF protocol DR is correct? ()

How many types of OSPF packets are there? ()

UDP has a sliding window mechanism to control the speed of data transmission

If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. ()

As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and the port in the MAC address table of SWB correct? () (Single-choice question)

When using FTP for file transfer, how many TCP connections will be established? ()

There are multiple route entries to the same destination network in the routing table. These routes are called? ()

Which of the following authentication methods does not require the user name and password? ()

What are the functions of OSPF protocol DR and BDR?

When the router is powered on, it will read the configuration file from the default storage path to initialize the router. If there is no configuration file in the default storage path, what will the router use for initialization? ()

FIT AP can work independently without relying on AC. ()

What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships? ()

The switch is connected to the host. What is the common port link type of the switch? ()

Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()

The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)

As shown in the figure, the network administrator creates VLAN2 on SWA and SWB. The ports connecting the hosts on the two switches are configured as Access ports. They are assigned to VLAN2. G0/0/1 of SWA and G0/0/2 of SWB are configured as Trunki ports. All VLANs are allowed to pass. What is needed to achieve normal communication between two hosts? () (Single-choice question)

Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()

UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission speed and delay ().

If the network address of a network is 192.168.1.0, then its broadcast address must be 192.168.1.255. ()

A company has 50 private P addresses, and the administrator uses NAT technology to connect the company's network to the public network, but the company has only one public network address and is not fixed. Which of the following NAT conversion methods meets the requirements? ()

What is the value of TPID. defined by IEEE802.1Q? ()

All interfaces of the router belong to the same broadcast domain. ()

Network devices running the SNMP protocol run an agent process locally. ()

What is the MAC address of the data link layer of each VAP on the AP? ()

The main function of the DNS protocol is ()

VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configurations and set commands but cannot operate the file system?

When accessing across network segments, the source and destination IP will change, and the source and destination MAC will not change

748.192.168.1.127/25 represents the () address. ()

The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. ()

Which of the following statements about the edge port in the RSTP protocol is correct? ()

Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()

The HybriD. port can be connected to the user host or other switches. ()

Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()

VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be created ()

In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops? ()

OSThe I reference model from high-level to bottom-level is ()

Which of the following descriptions of wireless devices is correct? ()

NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()

If host A. has the ARP cache of host B., host A. can ping host B. ()

Using a traditional landline to make a call is a way of network communication. ()

As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each other normally.

Which of the following is not the reason why RSTP can increase the speed of convergence? ()

The administrator hopes that RTA. uses static routing and preferentially sends data packets to RTB's Loopback0 interface through G0/0/1 port, while G0/0/2 is used as a backup. How to configure on RTA to achieve this requirement ()

By default, the port cost calculated by STP has a certain relationship with the port bandwidth, that is, the larger the bandwidth, the higher the cost ()

What are the characteristics of VLAN based on ports? ()

When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()

IPCP dynamic address negotiation can automatically obtain the address()

Which of the following port states is not included in the RSTP protocol? ()

Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP architecture, the following description of the role of AC. is wrong ()

Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()

On the VRP operating platform, what command is used to display the current interface configuration in the interface view? ()

Which state does the 0SPF protocol use to indicate that the adjacency relationship has been established? ()

After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()

Which of the following commands to configure the default route is correct? ()

Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through stacking. ()

The two ends of the PPP link are not in the same network segment and cannot communicate

The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1, which of the following commands is correct? ()

When deploying ACL on Huawei equipment, which of the following descriptions is correct is ()

The following description about the specified port of the spanning tree is correct ()·

Which of the following are not the characteristics of a small campus network? ()

Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following abbreviations are correct? ()

Which layer of protocol does ARP belong to

All four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding state ()

Does the WEP security policy support the use of TKIP for data encryption?

AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.

An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.2.00.0.254.255

If it is UDP, the value of the protocol field of the network layer is 6 ()

The administrator plans to implement route backup by configuring static floating routes. The correct way to achieve this is ()

Which of the following information is not included in the MAC address table of the switch? ()

At which layer of the OSI reference model do Ethernet switches operate? ( )

Which of the following is not included in the VRP system login method? ()

In order to realize the launch of FIT AP, FIT AP first needs to obtain the IP address of AC. Which of the following is not included in the way FITAP obtains the IP address of AC.? ()

The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge IDs will be the root bridge? ()

Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through stacking. ()

System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()

When the host frequently moves the office, which VLAN division method is most suitable? ()

What is the range of VLAN ID that users can use? ()

Which of the following routing protocols has the highest priority?

Which of the following IPv6 addresses is a multicast address? ()

What is the default step length of ACL on AR G3 series routers? ()

When using the ping command on the VRp platform, if you need to specify a P address as the source address of the echo request message, which of the following parameters should be used? ()

When a switch receives a unicast data frame with a VLAN tag, but finds that the destination MAC address of the data frame cannot be queried in its MAC address table, the switch's processing behavior for the data frame is ().

When an Access type port sends a message, it will ()·

NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers. The following description of the port number in NAPT is correct ().

Which of the following fields is not included in the HELL0 packet of the OSPF protocol?

OSPF Router ID. It must be the same as the IP address of an interface on the router.

In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information? ()

The Layer 2 networking of WLAN refers to STA. It uses AC as its own gateway. ()

The mask length is 12 bits can be expressed as?

The administrator configures R1 as shown in the figure. But R1 cannot learn the routes of other routers, so it may be.

The reason is? () (Multiple Choice Questions)

What is the total length of an IPv6 address in bits? ()

Which of the following statements about direct routing is correct? ()

After link authentication is completed, STA. will continue to initiate link service negotiation. Which of the following messages will be used to achieve the specific negotiation? ()

As shown in the figure below. All hosts can communicate normally. Which of the following statements are correct? () (Multiple Choice Questions)

In the VRP system, what function does the Ctrl+Z key combination have? ()

By default, what is the period for sending 0SPF HELLO packets on the broadcast network? ()

What is the length of the Ethernet II frame containing the Ethernet header?

The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()

A network engineer prompts the following message when entering the command line: Error: UnrecognizeD.commanD.founD.at 'ï¼¾' position. Which of the prompt information is correct? ()

By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()

The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the F orwarding state, but what is the reason for the no temporary loop? . Shorten the time of ForwarD.Del ay

By default, what is the lease period for the DHCP server to assign an IP address? ()

What is the value of the Type field in the RStp configuration BPDU message? ()

All interfaces of routers running 0SPF protocol must belong to the same area. ()

The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()

Which of the following commands can be used to check the session status of the PPPoE client? ()

There is a WeB server in the private network that needs to provide HITP services to public network users. Therefore, the network administrator needs to configure NAT on the gateway router RTA.

When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. ()

There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()

If the administrator wants to completely delete the old device configuration file, the following command is correct ().

A company applies for a C. IP address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments, so the subnet mask should be set. for()

Which of the following statements is correct? ()

What elements can NAPT convert? ()

What kind of packets does the OSPF protocol use to request LSAs that are missing locally? ()

The following figure shows the routing table of a router. When the router receives a data packet with a destination IP address of 9.LL, the router will forward it according to the route of 91.0.016 because the mask length of this route is longer. ()

Which of the following protocols is OSPF based on?

Which of the following is not the reason why RSTP can increase the speed of convergence? ()

The basic header length of IPv6 packets is a fixed value ()

AC uses CAPTAP control tunnel transmission to FIt AP management packet

FIT AP does not need AC. It can also work independently ()

Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()

Which statement about OSPF area division is wrong? ( )

When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.

What is the main function of the DNS protocol?

It is advised to assign static IP addresses to servers during campus network planning.

(Loops may cause broadcast storms on a Layer 2 network.)

The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.

(Which of the following statements about IPv6 anycast addresses are true?)

(Which of the following OSPF packets can be used to confirm the received Link State Update (LSU) packets?)

On an STP-enabled switch, a port in the Learning state can transition to the Forwarding state only after the Forward Delay timer expires.

Which of the following VRP commands can be used to enter area 0 view?

(Which of the following is a dynamic IGP routing protocol?)

(You can run the "pwd" and "dir" commands on the Versatile Routing Platform (VRP) to view file information in the current directory.)

(Which of the following statements is true about active interface election for an Eth-Trunk in LACP mode?)

In RSTP, an edge port becomes a common STP port after receiving a configuration BPDU.

In the following figure, all links are Ethernet links, and all interfaces on the routers are running OSPF. Given this, how many DRs will be elected on this network?

After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.

(An administrator cannot log in to a Huawei router through Telnet, but other administrators can log in to the router. Which of the following are possible causes?)

The rules in an ACL may overlap. If packets match the rules with loose conditions, the later ACL rules are not processed. In this case, packets cannot match the rules with strict conditions. Therefore, the rules with strict conditions must be arranged in front lines and those with loose conditions must be arranged towards the end.

Which of the following descriptions regarding the TTL field of the IP packet is correct?

(If a routing table contains multiple routes to the same destination network, what are these routes called?)

telnetlib is a module provided by Python to implement the Telnet protocol.

When a host uses the stateless address autoconfiguration solution to obtain an IPv6 address, the host cannot obtain the DNS server address.

Network devices running SNMP can proactively report traps to help network administrators detect faults in a timely manner.

Which of the following is the default port number of the Telnet server?

The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)

On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()

What is the number range of an advanced ACL?

Which SNMP version focuses on two main aspects, namely security and administration. The security aspect is addressed by offering both strong authentication and data encryption for privacy. The administration aspect is focused on two parts, namely notification originators and proxy forwarders.

(Each network device running SNMP runs an agent process locally.)

Which of the following fields are contained in an ARP packet?

For an Eth-Trunk in LACP mode, what is the default LACP system priority of a Huawei switch?

When the ACL in the following figure is configured on a Telnet server, only the device with an IP address of 172.16.105.2 can remotely log in to the Telnet server.

bash

Copy code

acl number 2000

rule 5 permit source 172.16.105.2 0

Which of the following is correct regarding the configuration of the trunk port and access port on a switch?

After the administrator performs the configuration shown in the figure on a router, which of the following commands can be used to specify a short lease for addresses assigned using DHCP?

Assuming that OSPF has been enabled on all routers in the following figure, which router is the BDR on this network?

In RSTP, a backup port can replace a faulty root port.

(The administrator performs the configuration shown in the figure on a router, and a host is connected to Gi/0/0 of the router. Which of the following statements is true about the IP address obtained by the host through DHCP?)

A router in the backbone area has complete LSDBs of routers in other areas.

On the Huawei VRP, what is the default preference of different route types, in descending order?

The router that runs OSPF first enters the Full state and then synchronizes the LSDB.

As shown in the figure. If host A has the ARp cache table of host B, then host A can ping host B. ()(True or False)

(What is the main function of a dynamic routing protocol?)

Which of the following methods is not supported by the Versatile Routing Platform (VRP) to configure a router?

(The IPv6 address architecture does not include which of the following address types?)

Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP?

Which of the following sources of routes can be obtained by a router?

On the VRP platform, which of the following parameters can be used together with the "ping" command to specify the source address of an echo request message?

Which of the following IEEE 802.11 standards supports a theoretical negotiated rate of 5 Gbit/s or higher?

Which of the following fields are included in an MPLS header?

Which of the following statements are true about transport-layer protocols?

What is used as the data link-layer MAC address that identifies each VAP on an AP?

Which of the following parameters is used to elect the root bridge in STP?

As shown in the figure, which of the following ports will be in blocking state?

The TCP protocol uses the three-way handshake mechanism to establish and disable connections. Therefore, TCP supports reliable data transmission.

When a switch receives a unicast data frame, if the destination MAC address of the data frame can be found in the MAC address table of the switch, the data frame is definitely forwarded through the port corresponding to the MAC address.

Which of the following are features of the OSPF protocol?

To provide the information about the IP addresses that a user packet traverses along the path to the destination, which of the following does Tracert record in each expired ICMP TTL packet?

If a device running STP receives an RSTP configuration BPDU, it discards the BPDU.

Which of the following is not a characteristic of small campus networks?

As shown in the figure, all switches run STP. Assume that the path cost of all ports is 200. What is the root path cost contained in the configuration BPDU received by G0/0/4 on SWD?

Which of the following operations are mandatory to restore the factory default settings of an AR2200 router?

(Network Functions Virtualization (NFV) implements software-based network application deployment.)

Which of the following states indicates that the OSPF neighbor relationship has been established?

Which of the following WLAN security policies support open link authentication?

(Which of the following routing protocols are dynamic routing protocols?)