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NEW QUESTION # 354
Which levels are common in the OSI reference model and the ICP/IP model? (Multiple choice question)

• A. Presentation Layer
• B. Session layer
• C. Application Layer
• D. Physical Layer
• E. Data link layer
• F. Transmission layer

Answer: C,F

NEW QUESTION # 355
The following statement about the NSSA area is correct (multiple choice).

• A. The NSSA zone must automatically generate a default LSA to access the external network
• B. In the OSPF neighbor in the NSSA region sends hello packets, position 1 within the option field, position E
• C. In the NSSA area where the OSPF neighbor sends hello packets, the N position 0, E within the option field Position 1
• D. The NSSA zone generates a Category VII LSA to advertise external routing, and the FA address in the Category VII LSA acts to prevent loops

Answer: B

NEW QUESTION # 356
Regarding route Policy, the following description is correct as? (Multiple selection) Multiple selection

• A. The table entry exceed::0 less-equal 128 indicates that all IPv6 routes are allowed through
• B. If more than one node is defined in Route-policy, at least one node in each node should have a matching pattern of permit
• C. Advanced ACLs can be applied in route-policy to filter routes
• D. Route-Policy can filter only the default route

Answer: A,B,D

NEW QUESTION # 357
As shown in the figure, which of the following options satisfies two routers to establish an ISIS neighbor? (Single choice questions).

• A. The ISIS process numbers of the two routers must be consistent.
• B. Both routers are of. The Level-1 type.
• C. Both routers remain of the default type.
• D. One of the two routers can be of the Level-1-2 type and the other of the Leve1-1 type.

Answer: C

NEW QUESTION # 358
There are two Communily filters: ip comimuniy-lite lpemit 101201 ip community fiter 2permit101 ip commmuriyfilter 2pemit21 Regarding the above ommuniyfiter, the correct description is? (Multiple choice questions).

• A. As long as the group attribute value carried in the BGP route contains 100:1 or 200:1, or both, the BGP route matches the community-filterl
• B. A BGP route matches community-filter2 only if the group attribute values carried in the BGP route include 100:1 and 200:1
• C. As long as the group attribute value carried in the BGP route contains 100:1 or 200:1, or both, the BGP route matches community-filter2
• D. The BGP route matches community-filter 1 only if the community attribute values carried in the BGP route contain 100:1 and 200:1

Answer: C,D

NEW QUESTION # 359
What are some of the following misrepresentations about URPF, IPSG, and DAI technologies? (Multiple choice questions).

• A. URPF can be used to protect against DDoS spoofed source attacks.
• B. IPSG technology checks IP packets for source IP spoofing attack prevention, while DAI checks ARP packets to filter attack sources.
• C. DAI does not support manual configuration of binding tables.
• D. IPSG checks the source IP address and source MAC address of the IP packet, and DAI only checks the correspondence between the IP and the MAC.

Answer: C,D

NEW QUESTION # 360
A company's two-layer phase network architecture as shown in the figure, when the engineer is configured to find that the business between departments can not communicate, through the command to view the status of the equipment as follows, please determine the possible causes?

• A. The Revislon Level configuration is inconsistent between switches
• B. The BPDU interval between switches is not configured
• C. Inconsistent Registry Name configuration between text exchange machines
• D. The Transition VLAN mapping between the handover machines is not configured to be caused

Answer: A,C,D

NEW QUESTION # 361
::1/128 is the IPV6 loopback address

• A. TRUE
• B. FALSE

Answer: A

NEW QUESTION # 362
What does RT do in MPLS VPN? Multiple choice questions).

• A. Allows the peer CE to decide which VPNv4 routes not to import into a particular VRF
• B. Allows the peer PE to decide which VPNv4 routes to import into a particular VRF
• C. Allows peer PE to decide which VPNv4 routes not to import into a particular VRF
• D. Allows the peer CE to decide which VPNv4 routes to import into a particular VRF

Answer: B,C

NEW QUESTION # 363
By default, routers running IS-IS in broadcast networks have a period of seconds for DIS to send CSNP packets?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: B

NEW QUESTION # 364
RD is used to distinguish the same IP address in different VPNs, how many bits does RD contain? (Single choice)

• A. 0
• B. 1
• C. 2
• D. 3

Answer: B

NEW QUESTION # 365
Port isolation technology deployed in Ethernet can realize Layer 2 interoperability and Layer 3 isolation, making networking more flexible.

• A. FALSE
• B. TRUE

Answer: A

NEW QUESTION # 366
The data results of a router are as follows, and the analysis conclusion is correct (single choice).

• A. R3 is on the link where Eth0/0/0 is Eth0/ 1 of the LEVEL-1 and Level-2 DISC
• B. The R3 router's Eth0/0/1 enables both IPv4 and IPv6 ISIS
• C. The GEO/0/0 port of the R3 is in a different region than the neighbor
• D. R3 routers Circuit-level is Level-1-2

Answer: D

NEW QUESTION # 367
The correct description of the extended features of ISIS is?

• A. If there are other vendors' devices on the network and do not support the LSP sharding function, the sharding expansion mode must be configured as Model-1, otherwise the message will not be recognized by other vendors' devices.
• B. When the amount of information in the Link State Protocol data packet PDU to be released by ISIS is too large, the ISIS router will generate multiple LSP shards to carry more ISIS information.
• C. After you enable the LSP shard extension feature of your router, you can use it without restarting the ISIS process.
• D. ISIS can choose whether to authenticate incoming SNP and LSP packets

Answer: A,B,D

NEW QUESTION # 368
The following description of the CHAP authentication function in the PPP protocol is correct? (Multiple choice questions).

• A. If the authenticator does not have a username configured, password
• B. is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password
• C. The user name must be configured under the authenticated party interface for CHAP authentication
• D. can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value

Answer: B,C,D

NEW QUESTION # 369
If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?

• A. PIM routers with long interface masks are elected dr.
• B. Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr
• C. DR priority values are elected DR.
• D. PIM routers with small IP addresses are elected DR. PIM routers with low

Answer: B

NEW QUESTION # 370
Drag and drop

• A. When sending a packet with a destination address of 4444, it is sent without labeling.
• B. When a packet with a destination address of 2222 is sent, it is sent without labeling.
• C. When sending a packet with a destination address of 3333, label 1026 and send it.
• D. When the router receives a packet with the label 1024, it replaces the label with 1027 and sends it.

Answer: B

NEW QUESTION # 371
The router port to which the policy is applied has been idle for about 10 seconds, and there is a huge burst of c1 type coming in an instant, so how many bytes will the packets that are colored green?

• A. 256K bytes
• B. 48128 bytes
• C. 32K bytes
• D. 80128 bytes

Answer: C

NEW QUESTION # 372
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