HCIA-Routing & Switching V2.5 Mock Exam

 

HCIA-Routing & Switching V2.5 Mock Exam (June 2020)

Single-Choice questions

1.The port cost is the total cost of the path to the root bridge, and the root path cost of the switch port.

False

2.When configuring PPPoE, run the “the dialer bundle” command to specify the Dialer bundle used by the dialer interface.

True

3.The IPSec VPN forwards the protected data flows through the IPSec tunnel.

False

4.The ARG3 series routers support the configuration of the authentication scheme and accounting scheme.

False

5.After the “Interface loopback 0” command is run, the physical layer of the loopback 0 interface is Up and the protocol layer is Down.

False

6.The subnet mask is used to distinguish the types of IP addresses.

False

7.Huawei network devices allow multiple users to log in to the system through the console port at the same time.

False

8.After the root bridge is faulty, other switches are elected as the root bridge. After the original root bridge recovers, the network does not change.

False

9.When the default route is configured, the destination network address is 255.255.255.255.

False

10.Line backup can be used in manual load balancing mode link aggregation.

False

Multi-Choice (Single) questions


11.Which of the following routing table parameters indicates the priority of the route?

Preference

12.How many packets need to be exchanged in CHAP authentication mode?

3 packets.

13.What is the first step when a terminal device a data frame?

Check the destination MAC address.

14.Which of the following transmission media is used when Gigabit Ethernet is deployed on an enterprise network?

Optical Fiber

15.What is the function of synchronization in the P/A mechanism?

Avoid the generation of temporary loops.

16.Which ports are supported by FTB control plane channel by default?

21

17.What is OSPFv3 used to uniquely identify a router?

Router ID

18.Which a field in the MPLS header identifies the stack bottom label?

S

19.Which field in an Ethernet data frame determines the upper-layer protocol of a network device?

Type

20.What is the function of the TTL field in the IP packet header?

Limit the lifetime and discard the packets that cannot reach the destination.

 

 

Multi-Choice (Checkboxes)

21.Which of the following packet files can be used for advanced ACL rules?

Protocol Type.
Source/Destination IP address.
TCP flag.
Source/Destination port number.

22./which of the following flags are involved in TCP three-way handshake?

SYN
ACK

23.Which of the following parameters are used by the router to select the optimal route?

Metric.
The priority of the route.

24.After the VRP is upgraded and restarted, how can the administrator confirm that the upgrade is successful?

RUN THE ‘DISPLAY STARTUP’ COMMAND.
RUN THE ‘DISPLAY VERSION’ COMMAND.

25.Which of the following parameters can be defined for IPSec peers by Security Association?

Data encapsulation mode.
Charging Mode.
Encryption algorithm.

26.Which is the VRP Version used by Huawei Datacom Devices?

VRP5
VRP8

27.Which IP addresses are reserved in the address pool?

A. IP address assigned to the server.
B. Gateway IP address.

C. IP address reserved for a specific host.
D. Interface IPP address of the DHCP server.

28.What are the functions and features of NAPT?
NAPT allows multiple internet addresses to be mapped to different ports of the same public address.
NAPT is a PORT-based translation.

29.What are the possible operations if a router receives broadcast packets from hosts on the network?

Response part packet if necessary.
Discard.

30.Which types of ICMP messages are used for PING?

Echo-Request.
Echo Reply.

 

 

 

 

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