Question 1

Which of the following sources of routes can be obtained by a router?

Options :

A : Static routes

B : Direct routes

C : Summary routes

D : Dynamic routes

Answer: A,B,C,D

Question 2

RT Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Assuming that there are only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address conversion, and at this time, if the host also wants to access the public network, the following description is correct ().

Options :

A : HostC.Unable to assign a public network address, and cannot access the public network

B : All hosts can access the public network by using the public network address in turn

C : RTA. Convert the source port of host C., the host can access the public network

D : RTA. Assign interface address (200.10.10.3) to host C. Host C can access the public network

Answer: C

Question 3

Which of the following is the default value of the Router Dead Interval field in OSPF Hello packets on a broadcast network?

Options :

A : 20 seconds

B : 30 seconds

C : 40 seconds

D : 10 seconds

Answer: C

Question 4

What is correct about the SNMP protocol? ()

Options :

A : SNMP protocol uses multicast to send management messages

B : SNMP uses ICMP as the network layer protocol

C : SNMP uses UDP as the transport layer protocol

Answer: C

Question 5

There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()

Options :

A : True

B : False

Answer: B

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