HCIA-Datacom V1.0 v1.0
Question 1
An AC is a unified management and control device in the AC + Fit AP architecture. Which of the following functions is not supported by the AC?
- A. User access control
- B. AP configuration delivery
- C. User access authentication
- D. User data packet forwarding regardless of the data forwarding mode
Answer : C
Question 2
In a broadcast address, all host bits are set to 1 and a broadcast address can be used as a host address.
- A. True
- B. False
Answer : B
Question 3
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
- A. 802.11a
- B. 802.11g
- C. 802.11n
- D. 802.11ax
Answer : B
Question 4
The network Management Station uses SNMP to manage devices, which SNMP message is sent when an SNMP registered abnormal event occurs?
- A. get-response
- B. set-request
- C. trap
- D. get-request
Answer : C
Question 5
The controller is the core component of SDN and connects to devices through southbound interfaces. Which of the following are southbound protocols used by the controller? (Choose two.)
- A. OpenFlow
- B. NETCONF
- C. SNMP
- D. PCEP
Answer : AC
Question 6
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?
- A. IP
- B. DHCP
- C. LCP
- D. NCP
Answer : C
Question 7
Which of the following application-layer protocols are based on TCP?
- A. Ping
- B. TFTP
- C. FTP
- D. HTTP packet
Answer : C
Question 8
Which of the following is not an open API of Huawei controllers?
- A. RESTful
- B. NETCONF
- C. AAA
- D. OpenFlow
Answer : D
Question 9
Which of the following fields are included in an MPLS header? (Choose three.)
- A. Label
- B. Tos
- C. EXP
- D. TTL
Answer : ABC
Question 10
Which of the following statements regarding the router ID in OSPF are incorrect?
- A. The router IDs of OSPF routers in the same area must be the same, but can be different in different areas.
- B. The router ID must be the IP address of an OSPF router interface.
- C. The router ID must be configured manually.
- D. A router running OSPF must have a router ID for it to operate properly.
Answer : C
Question 11
In STP, which of the following items may affect the selection of the root switch? (Choose two.)
- A. Switch priority.
- B. Switch port ID.
- C. Switch interface bandwidth.
- D. Switch MAC address.
- E. Switch IP address.
Answer : AB
Question 12
Which of the following are features of the OSPF protocol?
- A. Routing loops are likely to occur.
- B. Triggered update is supported.
- C. The shortest path is calculated based on the number of hops.
- D. Area division is supported.
Answer : D
Question 13
Static NAT can only implement one-to-one mapping between private and public addresses.
- A. True
- B. False
Answer : B
Question 14
Which of the following statements about the routing table show in the figure are true?
- A. The next hop in the route to the destination network 10.0.3.3/32 is not directly connected. Therefore, the local router does not forward data packets destined for 10.0.3.3.
- B. The local router forwards data packets destined for 10.0.3.3 from Ethernet0/0/0.
- C. The local router forwards data packets destined for 10.0.2.2 from Erthernet0/0/0.
- D. The local router forwards data packets destined for 10.0.12.1 from Ethernet0/0/0.
Answer : B
Question 15
Which of the following methods can be used to assign service VLANs during campus network planning?
- A. VLAN assignment by geographic area
- B. VLAN assignment by logical area
- C. VLAN assignment by personnel structure
- D. VLAN assignment by service type
Answer : D