What is correct about the SNMP protocol? ()

A.

SNMP protocol uses multicast to send management messages

B.

The SNMP protocol only supports sending management messages on the Ethernet
link

C.

SNMP uses ICMP as the network layer protocol

D.

SNMP uses UDP as the transport layer protocol

Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other. ()(True or False)

A.

True

B.

False

If host A. has the ARP cache of host B., host A. can ping host B. ()

A.

True

B.

False

As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct? () (Single-choice question)

A.

The switch will send a message that the destination is unreachable to the source device

B.

The switch did not find a matching entry in the mac address table. So the frame will be discarded

C.

The switch needs to send a request to discover the device with the mac address of 5489-98ec-f011

D.

The switch will be All ports outside flood the frame

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

The router forwards data according to the IP routing table, and the Layer 2 switch forwards
data according to the MAC. address table

A.

True

B.

False

Static NAT can only achieve one-to-one mapping between private addresses and public
addresses ()

A.

True

B.

False

Which of the following IPv6 is a global unicast address ()

A.

2001::12:1

B.

FF02:1

C.

FF:02:2E0:FCFF:FEEF:FEC

D.

FEE:FCFF:FEEF:FEC

The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)

A.

The port type is Hybrid

B.

If the VLAN TAG carried in the data frame is 200, the switch will strip off the VLAN TAG and send it out

C.

If the port receives a data frame without VLAN TAG, the switch needs to add VLAN
TAG100

D.

If the VLAN TAG carried in the data frame is 100, the switch will strip off the VLAN TAG
and send it out

Which of the following statements about single-arm routing are correct? ()

A.

On the switch, configure the port connected to the router as a Trunk port, and allow the
relevant AN frame to pass

B.

One physical connection per VLAN

C.

Need to create a subinterface on the router

D.

Only one physical link is used between the switch and the router to connect