H12-811 Online Practice Questions and Answers

The following figure shows the routing table of a router. When the router receives a destinationIWhen the P address is a data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0/16 because the mask length of this route is longer. ()(True or False)

A. True

B. False

When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go through the G0/0/0 port (G0/0/2 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0/4 (G0/0/0 in the picture). () (Single- choice question)

A. 10.0.12.5255.255.255.25511.0.12.6 #10.0.12.1255.255.255.25511.0.12.1

B. 10.0.12.5255.255.255.25511.0.12.210. 0.12.1255.255.255.25511.0.12.5

C. 0.0.0.00.0.0.00 #11.0.12.6 #11.0.12.1

D. 0.0.0.0 #0.0.0.0 #11.0.12.2 #11.0.12.5

As shown in the figure, there are three data packets captured by the administrator on the network. Which of the following statements is incorrect? (Single choice question) Source destination protocol info 10.0.12.110.0.12.2TCp50190>telnetSYNseq0win8192Len0mss146010.0.12.2 10.0.12.1 TCP telnet:50190 SYN,ACKseg-0 Ack-1 win-8192 Len-0mss=1460

10.0.12.110.0.12.2 TCP50190>telnet(ACK)seq-1Ack=1win=81921en=0

A. None of these three data packets contain application layer data

B. These three data packets represent the three-way handshake process of TCP

C. The telnet client uses port 50190 to establish a connection with the server

D. The IP address of the telnet server is 10.0.12.1. The IP address of the telnet client is 10.0.12.2

Which of the following packet types is used by RADIUS to indicate authentication rejection? ()

A. Access-Accept

B. Access-Request

C. Access-Challenge

D. Access-Reject

For the description of the PPP link establishment process, the following statement is wrong ()

A. In the Establish phase, the PPP link performs LCP parameter negotiation. The negotiation content includes the maximum receiving unit MRU, authentication method magic word and other options

B. After the NCP negotiation is successful, the PPP link will maintain the communication state and enter the Terminate phase

C. The Dead phase is also called the physical layer unavailable phase. When both ends of the communication parties detect that the physical circuit is activated, they will migrate from the Dead phase to the Establish phase, which is the link establishment phase.

D. In the Network phase, the PPP link performs NCP negotiation. Select and configure a network layer protocol through NCP negotiation, E.PPP link supports half-duplex and full- duplex modes

The FIT AP can obtain the IP address of Athrough the DHCP Option to establish a CAPWAP tunnel. Which Option needs to be configured on the DHCP server for this? ()

A. Option 82

B. Option 10

C. Option 43

D. Option 55

DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()

A. discover

B. Offer(Provided)

C. request

D. ACK (acknowledgement)

Which of the following applications is based on the TCP protocol?()*

A. Ping

B. TFTP

C. FTP

D. HTTP