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Q271.  (Topic 4) 

In the VRP, how to configure the router's Router ID 1.1.1.1 

A. <Quidway> router id 1.1.1.1 

B. [Quidway] router id 1.1.1.1 

C. [Quidway] router-id 1.1.1.1 

D. [Quidway] router id 1.1.1.1 255.255.255.255 

Answer:

631.  (Topic 4) 

Frame Relay data link layer in the work, provide the following functions 

A. statistical multiplexing 

B. Frame Transparent 

C. Error Detection 

D. retransmission operation 

Answer: A,B,C 


Q272.  (Topic 1) 

: 198 

IP protocol is an unreliable protocol, error control cannot be. However, IP protocol can make use of () to achieve this functionality. 

A. ARP 

B. ICMP 

C. TCP 

D. UDP 

Answer:


Q273.  (Topic 4) 

The correct statement about the system is autonomous 

A. Autonomous System routing protocol is running the same region 

B. autonomy within the system can run one or more IGP 

C. Autonomous System is a set of regulatory bodies in the same set of routers under the control of 

D. BGP autonomous systems such as the use of external gateway routing protocols exchange routing information 

Answer: B,C,D 


Q274.  (Topic 3) 

In Ethernet, a reasonable way to eliminate the conflict 

A. Increasing the length of cable 

B. reduce the transmission of data packets 

C. each segment to reduce the number of users 

D. using switches or bridges to replace the HUB and repeater 

Answer:


Q275.  (Topic 2) 

TFTP statement on the right is (). 

A. TFTP is a UDP-based protocol 

B. TFTP is a simple file transfer protocol, suitable for read-only memory 

C. TFTP TFTP can provide the user's login name and password control 

D. TFTP Client mode only supports 

Answer: A,B,D 


Q276.  (Topic 2) 

192.168.1.127/25 represent () address 

A. Host 

B. Network 

C. Multicast 

D. Radio 

Answer:


Q277.  (Topic 2) 

The following exchange on the Ethernet switch in the narrative, which is correct 

A. Store and Forward method does not detect the frame error 

B. Cut-through mode, the switch receives a frame of 64 bytes before forwarding the frame began 

C. Fragment-free way to detect frame errors in the first 64 bytes 

D. Store and forward discards the total length of less than 64 bytes of the frame 

Answer: C,D 


Q278.  (Topic 2) 

IP address planning, good or bad, can affect 

A. network routers routing table size 

B. network routing algorithm efficiency 

C. Network Management 

D. network expansion 

Answer: A,B,C,D 


Q279.  (Topic 3) 

STP / RSTP is based on the port, and MSTP is based on () and. 

A. root bridge 

B. Specify the bridge 

C. Root port 

D. Example 

Answer:


Q280.  (Topic 1) 

: 128 

OSI Reference Model () function is the combination of bits into bytes, then the combination of framing bytes to provide media access and so on. 

A. Data Link Layer 

B. session layer 

C. Network Layer 

D. Application layer 

Answer:


Q281.  (Topic 3) 

Trunk types of ports in the packet received untag time (). 

A. Direct discarded 

B. with the port trunk VLAN ID information, and then sent 

C. Do not add tag information sent directly 

D. marked the PVID of the port information, then send out 

Answer:


Q282.  (Topic 4) 

RIP protocol prohibited the automatic route summarization command is 

A. undo rip 

B. summary 

C. undo summary 

D. undo network 10.0.0.0 

Answer:


Q283.  (Topic 2) 

About the statement is correct HUB 

A. HUB is a physical layer device 

B. HUB is the data link layer devices 

C. HUB network layer devices 

D. HUB is the application layer device 

Answer:


Q284.  (Topic 1) 

: 59 

The following is part of wide area network (). 

A. China Public Packet Switched Network (CHINAPAC) 

B. Chinese public digital data network (CHINADDN) 

C. National Education and Research Network (CERnet) 

D. CNGI (China Next Generation Internet) 

Answer: A,B,C,D 


Q285.  (Topic 3) 

The following description of the specified port on the spanning tree is correct 

A. Each bridge has only one designated port 

B. Specify the port to its associated segment is responsible for forwarding packets 

C. A designated port is a path leading to the root switch 

D. specified port forwarding from the switch to the root switch data packets 

Answer: