Huawei HCNA - Carrier IP 認定 H31-211 試験問題:

1. Which of the following techniques must be supported to complete route aggregation?

A) VLSM
B) CIDR
C) DNS
D) NAT

2. Which command can be used to display the mapping between network address and DLCI on the Quidway router?

A) display fr interface
B) display fr brief
C) display fr map-info
D) display fr

3. Network interconnection devices are often located below and below the OSI reference model, implemented in a combination of hardware and software.

A) Four
B) Five
C) Three
D) One

4. Regarding the process of terminal users accessing the Internet, what are the correct descriptions below?
(multiple choice)

A) After the user authentication succeeds, the BRAS routes the user packet to the upstream device, that is, the aggregation layer device.
B) The access network does not control the user, but simply establishes a Layer 2 connection to transparently transmit user information to the upper device.
C) The user initiates an Internet access request, and the Layer 2 device of the access network establishes a Layer 2 connection for the user and transparently transmits the request to the upper BRAS device.
D) SR is responsible for the authentication, authorization, and assignment of IP addresses to users.

5. What are the protocols that will not be used in the TRACERT process? (multiple choice)

A) TCP
B) UDP
C) ICMP
D) ARP

質問と回答：