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Huawei HCIA-Datacom V1.0 Sample Questions:

1. At which layer of the OSI reference model does the router work?

A) Application layer
B) Network layer
C) Transport layer
D) Data Link Layer

2. Regarding the function of ARP protocol and packet encapsulation, which description is correct?

A) The ARP protocol supports deployment on PPP links and HDLC links
B) The MAC address and UUID address of the destination can be obtained through the ARP protocol
C) The ARP cache on the network device can only be obtained through the ARP protocol
D) The ARP protocol is based on Ethernet encapsulation

3. If a network has a broadcast address of 172.16.1.255, then its network address might be?

A) 172.16.1.253
B) 172.16.1.1
C) 172.16.2.0
D) 172.16.1.128

4. Complete the ACL configuration shown in the figure on the router RTA, which of the following descriptions is correct?
[RTA] acl 2001
[RTA-acl-basic-2001] rule 20 permit source 20.1.1.0 0.0.0.255
[RTA-acl-basic-2001] rule 10 deny source 20.1.1.0 0.0.0.255

A) The VRP system will not adjust the serial number, but will first match the rule permit source 20.1.1.0 0.0.0.255
B) The VRP system will first match the rule deny source 20.1.1.0 0.0.0.255 in sequence number
C) The VRP system will adjust the sequence number of the first rule to 5 according to the order of configuration
D) Configuration error, the sequence number of the rules must be configured from small to large

5. DHCP Snooping is a DHCP security feature that can be used to defend against various attacks, including? (Multiple choice)

A) Defense against starvation attacks that change the CHADDR value
B) Defense against DHCP spoofer attacks
C) Defense against man-in-the-middle attacks and IP/MAC Spoofing attacks
D) Defense against TCP flag attacks

Solutions: