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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