The Ethernet switch working in store and forward mode drops the frame with length smaller than 64 bytes.

A. True

B. False

The VRRP advertfse-lnterval is 2s, preempt mode is enabled, Delay Time is 3s, then which of the following is the Master_Down_Interval time?

A. 2s

B. 4s

C. 9s

D. 6s

After the server receives the PADR sent by the client, which message will be sent as the response and to identify the connection?

A. PADS

B. PADR

C. PADO

D. PADT

Which of the following functions could be achieved by the LCP of PPP?

A. To establish, maintain and terminate the point-to-point connection

B. IPX address negotiation

C. IP address negotiation

D. To maintain multiple physical links

When configuring Diff-Serv in QoS, the edge router on Diff-Serv network classify packets according to its source address, destination address or other parameters, assigning different IP precedence for different packets, while other routers classify packets according to IP precedence.

A. True

B. False

Which of the following statements is correct regarding Hellolnterval in OSPF?

A. The range of Hellolnterval is from 0 to 65535.

B. Hellolnterval can be modified by administraor.The smaller the value, the faster (he topology change discovery.

C. Hellolnterval is 10 seconds for NBMA and broadcast network by default.

D. Hellolnterval is 30 seconds for P2P and P2MP network by default.

In BGP4+, both the NUU field and next-hop attribute can be expressed with an IPv6 address and prefix.

A. True

B. False

The following commands ate configured on the router running BGP:

bgp 100 peer 12.12.12.2 as-number 200 ipv4familyunicast network 1,1.1.1 255.255.255.255 undo synchronization peer 12.12.12.2 enable peer 12.12.12.2 next-hop-local The IP address of the router's interface connected with peer 12.12.12.2 is 12.12.12.1.

What's the function of the command "peer 12.12.12.2 next-hop-local"?

A. Change the next hop of the routes generated locally as 12.12.12.1

B. This command does not work at all

C. Change the next hop of the routes advertised to peer 12.12.12.2 as 12.12.12.1

D. Change the next hop of the routes received from peer 12.12.12.2 as 12.12.12.2

Which of the following are the functions of route redistribution?

A. Import routes from RIP into OSPF

B. Eliminate route loops

C. Import static route into dynamic routing protocols

D. Share routing information found by different routing protocols

Which of the following statements regarding the description of MPLS are correct?

A. Egress LER forwards packets based on IP routing table.

B. Core LSR forwards packets based on label.

C. Ingress LER forwards packets based on label.

D. Core LSR forwards packets based on IP routing table.