Question 1

The following statement about the HybriD. port is correct ()

Options :

A : When HybriD. port sends data frame, it must carry VLAN TAG

B : The HybriD. port only receives data frames with VLAN TAG

C : The HybriD port can strip off the TAG of some VLANs in the direction of the outbound interface

D : HybriD. Port does not require PVID

Answer: C

Question 2

During data access, when accessing different network segments, the destination MAC. Encapsulate the MAC address of the gateway on the source host

Options :

A : True

B : False

Answer: A

Question 3

It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the destination address of 9.1.4.5, the correct one of the following statements is ()

Options :

A : Choose the second item as the best matching item, because the cost of the RIP protocol is small

B : The second item is selected as the best matching item, because the route is a more accurate match relative to the destination 9.1.4.5

C : Select the second item as the best match, because the speed of Ethernet0 is faster than the speed of serial0

D : Chooses the first item as the best matching item, because the priority value of the ospf protocol is higher

Answer: D

Question 4

The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)

Options :

A : Router B

B : No BDR

C : Router C

D : Router A

Answer: B

Question 5

What are the user authentication methods that can be deployed in wlan? ()

Options :

A : Portal authentication

B : MAC. Authentication

C : Radius certification

D : 802.1X authentication

Answer: A,B,D