The following description of the process of receiving data in the Access mode for the exchange interface is correct?

A. Access mode directly discards the data frame with the tag

B. Only receive data in Access mode with label frame

C. Data The destination modification frame MAC address in the opportunistic data when the input interface frame is changed.

D. In the Access VLAN mode, the send frame will be stripped of the data.

Community-filter: There are two types of primitive attribute and high-level attribute group filter group filtering. Which of the following tools enables high-level attribute filtering? Is it more flexible than the basic Hugh attribute?

A. ACL

B. Regular-expression

C. AS-path-filter

D. IP-prefix

Ip ip-prefix ip-prefix-name [ index index-number ] { permit | deny } ipv4-address mask-length [ matchnetwork ] [ greater-equal greater-equal-value ] [ less-equal less-equal-value ] Ip-prefix- is used for configuration. If a prefix The list has been assigned 1ess -equal- , greater-equal4- , ? but not specified, then the previous fan is the number of

A. [mask-length ,less-equal-value]

B. [less-equal-value,32]

C. No restrictions

D. [0, less-equal-value]

The interface of an existing router Serial0 OSPF 1 Serial0 Silent is going to go and set the interface as an interface. Then what will happen Impact?

A. OSPF does not pass the interface to establish any connection.

B. OSPF does not add routes learned from the interface to the local routing table.

C. OSPF will receive routing updates from neighbors.

D. The OSPF interface establishes the available connections.

ISIS CSNP OSPF DD MA , , both the text and the report are reported in the network description of the road data summary role chain library for this report than the two classes below Correct method

A. Both types need to be confirmed by the peer router after the message is sent. Otherwise, it needs to be retransmitted.

B. OSPFA DD, DR/BDR; CSNP DIS in the textual interaction of the master-slave relationship report and the non-identity binding, and the text is only produced by the report.

C. Once the connection establishes a successful neighbor, the CSNP DD message and the report will stop sending.

D. After the two texts are sent, the router does not need to be authenticated.

The following is the correct description of the process of registering the source end in the PIM-SM DR RP ?

A. Registration The package encapsulates the datagram group service.

B. Once the RP receives the registration message, it will send a registration stop message.

C. The registration text is used to construct the source tree to report the DR RP RPT with it.

D. The registration text is a broadcast report.

When the deployment needs to configure the parameter LLQ, ? Bandwidth Bandwidth Meaning What is the meaning of the parameter

A. Provide a built-in policer to limit the maximum available time of the queue.

B. The parameters should be as small as possible. It means that the bandwidth is always reserved, LLQ, even if the bandwidth parameter is used, the interface is available.

C. It indicates the reference to calculate the sudden size of the built-in tactical counter bucket.

D. The option parameter is a OK, LLQ because it starts with the other columns.

If the network is running OSPF, the OSPP Totally Stub Totally Stub ls-id configures the non-backbone area in the area as the area under the strip.

0.0.0.0 LSA, LSA LSA?

A. LSA5

B. LSA2

C. LSA1

D. LSA3

Which of the following are single-packet attacks?

A. Malformed packet attacks

B. Special control packet attacks

C. Scanning and snooping attacks

D. DDoS attacks

Each DD packet has a DD sequence number for packet acknowledgment. A DD sequence number is two-bytes long.

A. TRUE

B. FALSE