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Exam Questions for GB0-381-ENU Updated Versions With Test Engine
NEW QUESTION 79
The correct description of the relationship between Domain and Area in IS-IS is ______.
- A. Domain contains Area
- B. There can be multiple Areas in a Domain
- C. Area contains Domain
- D. There can only be one Domain in an Area
Answer: A,B
NEW QUESTION 80
When the area authentication and domain authentication are configured in IS-IS, the IS-IS message types to be verified include _________.
- A. CSNP
- B. LSP
- C. PSNP
- D. Hello
Answer: A,B,C
NEW QUESTION 81
Among the following types of LSA, must be generated by ABR ______
- A. Tpe7 LSA
- B. Tpe5 LSA
- C. Tpe3 LSA
- D. Tpe4 LSA
Answer: C,D
NEW QUESTION 82
Regarding the first type of external routing and the second type of external routing in OSPF, the correct statement is ________
- A. The first type of external routes are generated by injecting BGP routes
- B. If the routing information of the same network segment is learned through the first type of external routing and the second type of external routing at the same time, under the same other conditions, the first type of external routing information will be preferred
- C. By default, the routes imported into the OSPF protocol through other routing protocols are all Type 2 external routes
- D. The first type of external routes are generated by injecting IGP routes
Answer: B,C
NEW QUESTION 83
M executes the displaospf vlink command on the MSR router RTA, the router output is as follows:
$?OSPF Process 100 with Router ID 3.3.3.3
Virtual Links
Virtual-link Neighbor-ID -> 2.2.2.2, Neighbor-State: Full
Interface: 20.0.0.1 (GigabitEthernet0/1)
Cost: 1 State: P-2-P Tpe: Virtual
Transit Area: 0.0.0.1
Timers: Hello 10, Dead 40, Retransmit 5, Transmit Dela1
From the above output, you can judge _______.
- A. The link overhead of the virtual connection is 1
- B. The interface for establishing the virtual connection is GigabitEthernet0/1
- C. The Hello timer and neighbor failure time of the virtual connection are 10S and 40S respectively
- D. Area1 cannot be a stub area
Answer: A,B,C,D
NEW QUESTION 84
P router RTA runs OSPF and BGP routing protocols at the same time. If an OSPF route is imported into BGP in network mode, the ORIGIN attribute value of the route in the BGP routing table is ____.
- A. Incomplete
- B. IGP
- C. OSPF
- D. EGP
Answer: B
NEW QUESTION 85
In the topology shown in the figure, perform the following configuration in RTA and RTB respectively:
RTA-ospf-1-area-0.0.0.1]network 192.168.0.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.1.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.2.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.3.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 192.168.4.0 0.0.0.255
RTB] acl number 2000
RTB-acl-basic-2000] rule 0 permit source 192.168.1.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1] filter 2000 export
Then the impossible routes in the RTC routing table are _____
- A. 192.168.2.0/24
- B. 192.168.0.0/24
- C. 192.168.1.0/24
- D. 192.168.4.0/24
Answer: A,B,D
NEW QUESTION 86
The advantages of modular network architecture include ______. (Choose one or more)
- A. It is allowed to dynamically call IT resources through an open interface to achieve a standard, compatible, safe, intelligent and manageable IT application environment.
- B. Each module can be planned and deployed separately, and network functions can be added or removed by adding or deleting modules, which is conducive to building a complex network.
- C. It replaces the traditional hierarchical network model, which facilitates network planning and deployment.
- D. Allow different application functions or application systems to share data, resources and capabilities, and participate in business processes.
Answer: B
NEW QUESTION 87
Among the following OSPF protocol states, those that are not stable are ________.
- A. Init
- B. 2-waC
- C. Attempt
- D. Loading
Answer: A,C,D
NEW QUESTION 88
b In the OSPF protocol, the destination address used by the router to send update packets to the DR router is _____.
- A. 224.0.0.4
- B. 224.0.0.6
- C. 224.0.0.5
- D. 224.0.0.9
- E. Interface address of non-DR router
Answer: C
NEW QUESTION 89
A local area network has been running for 1 year (8,760 hours), and it has been out of service for 8 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year, and was out of service for another 3 hours due to a software failure.
Regarding the availability of this network (Availabilit), which of the following statements are correct?
- A. Before expansion, network availability was 99.91%
- B. From the beginning of the network to the present, its availability is 99.96%
- C. The availability of the network after the expansion is worse than before the expansion
- D. The availability of the network after the expansion is better than before the expansion
Answer: A,D
NEW QUESTION 90
In the IS-IS network as shown in the figure, after the routes of each router are stable, there are ______ IS-IS Level-1 routes learned by RTC through neighbors.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 91
Which of the following NET addresses are correct?
- A. 10.0001.0002.0003.00
- B. 06.2400.0001.0020.0300.01
- C. 20.abcd.1234.00
- D. 02.0017.2700.0001.0002.00
Answer: A,D
NEW QUESTION 92
Level-1 routing exists in ________.
- A. Between ES and IS
- B. Between IS in the same Area
- C. Between different domains
- D. Between different areas
Answer: B
NEW QUESTION 93
Configure the silent interface on the router so that the router does not send OSPF protocol messages. The command is _______.
- A. RTA-ospf]silent-interface serial2/0
- B. RTA-Serial2/0]silent-interface
- C. RTA-ospf-1]silent-interface serial2/0
- D. RTA-ospf-1-area-0.0.0.1]silent-interface serial2/0
Answer: C
NEW QUESTION 94
A local area network has been in operation for 2 years (17,520 hours), and was out of service for 6 hours due to equipment failure. After the network was expanded and new equipment was added, it ran for another year (8,760 hours), and was out of service for another 4 hours due to a software failure. Regarding the availability of this network (Availabilit), which of the following statements are correct?
- A. Before expansion, network availability was 99.97%
- B. From the beginning of the network to the present, its availability is 99.99%
- C. The availability of the network after the expansion is worse than before the expansion
- D. The availability of the network after the expansion is better than before the expansion
Answer: A,C
NEW QUESTION 95
Run the command on the router and its display information is as follows:
<RTA>displaisis brief
ISIS(1) Protocol Brief Information:
network-entit:
01.1111.1111.1111.00
is-level: level-1-2
cost-ste: narrow
preference: 15
Lsp-length receive: 1497
Lsp-length originate: level-1 1476
level-2 1476
maximum imported routes number: 10000
Timers:
lsp-max-age: 1200
lsp-refresh: 900
Interval between SPFs: 10
From the above information, you can know RTA______.
- A. Is a Level-2 router
- B. The area code is 01.1111
- C. The area code is 01
- D. It is a Level-1-2 router
Answer: C,D
NEW QUESTION 96
As shown in the figure, a local area network is connected to the ISP using an MSR router.
If you want to implement packet-based load balancing on the outgoing interface of the MSR router, which of the following configurations is necessary?
- A. MSR-Ethernet1/1] undo ip fast-forwarding inbound MSR-Ethernet1/2] undo ip fast-forwarding inbound
- B. MSR-Ethernet1/1] undo ip fast-forwarding outbound MSR-Ethernet1/2] undo ip fast-forwarding outbound
- C. MSR-Ethernet1/1] ip fast-forwarding outbound MSR-Ethernet1/2] ip fast-forwarding outbound
- D. MSR-Ethernet1/1] ip fast-forwarding inbound MSR-Ethernet1/2] ip fast-forwarding inbound
Answer: B
NEW QUESTION 97
As shown in the figure, 4 routers are connected to an Ethernet link. The router interface is a broadcast network type. Judging from the information in the figure, there are ________ IS-IS adjacencies on the Ethernet link.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 98
IS-IS belongs to the ________ routing protocol and uses the ________ algorithm.
- A. EGP, shortest path first (SPF)
- B. IGP, shortest path first (SPF)
- C. IGP, distance vector (D-V)
- D. EGP, distance vector (D-V)
Answer: B
NEW QUESTION 99
As shown in the figure, EBGP runs between AS100, AS200, AS300, and AS400.
When AS400 receives BGP routes from AS100, the path sequence recorded in its AS-Path attribute is ______.
- A. (100, 200, 300, 400)
- B. (300, 200, 100)
- C. (400, 300.200, 100)
- D. (100, 200, 300)
Answer: B
NEW QUESTION 100
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