Question 1

Regular expressions can be used for Community-filter and AS-path-filter definition attribute types for route filtering.

Options :

A : True

B : False

Answer: A

Question 2

Which of the following attacks are DoS (Denial of servioe) attacks?( Multiple choice question)

Options :

A : Single packet attack

B : Source P address spoofing attack

C : Man-in-the-middle attack

D : Flood Attack

Answer: A,D

Question 3

One of the things you're doing is compressing the length of ip6 addresses as much as possible . The existing IP6 address is 2013xX0C130F006009cO87641308, to be able to make this P6 address more concise, you can compress the IP6 address into which of the following?( Single choice questions).

Options :

A : 2013:0:130F:0:0:09CO:876Answer: 130B

B : 2013:130F::9CO:876Answer: 130B

C : 2013:0:130F:0:0:9CO:876Answer: 130B

D : 213::13F::9C:876Answer: 13B

E : 2013:0:130F::9CO:876Answer: 130B

Answer: A

Question 4

In an IPv6 network, two nodes A and B are neighbors to each other if node A sends to node B NS message, if

Node B receives the message and then replies to the NA message, then on Node A On the view, the neighbor

status will be marked as What?

Options :

A : Reachable

B : Incomplete

C : Constant

D : Probe Answer

Answer: A

Question 5

The RSTP protocol provides a variety of protection functions, such as when the edge port is configured as a protection state, the edge port receives the BPDU packet processing method;

Options :

A : Directly discard the BPDU packet

B : Close the port

C : After parsing the BPDU message, the relevant information is obtained

D : Forward BPDU packets as required

Answer: B

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