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NEW QUESTION 180
Each OSI network device is networked as shown in the figure. There are ______ ESs in the OSI network. (Host)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 181
Run the command and display information on the router 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-1-2 router
- B. Its Stem-ID is 1111.1111.1111
- C. Its Stem-ID is 1111.1111.1111.00
- D. It is a Level-1 router
Answer: A,B
NEW QUESTION 182
In the topology shown in the figure, the following configurations are performed on RTA, RTB, and RTC:
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]stub
RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
How to configure if RTD can learn route 10.0.0.0/24?
- A. RTD]ospf 1 RTD-ospf-1]area 2 RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255 RTD-ospf-1-area-0.0.0.2]stub
- B. RTD]ospf 1 RTD-ospf-1]area 2 RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
- C. RTD]ospf 1 RTD-ospf-1]area 2 RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255 RTD-ospf-1]area 0 RTD-ospf-1-area-0.0.0.0]stub
- D. RTD]ospf 1 RTD-ospf-1]area 2 RTD-ospf-1-area-0.0.0.2]network 20.0.0.0 0.0.0.255 RTD-ospf-1-area-0.0.0.2]stub
Answer: A
NEW QUESTION 183
After executing the displaospf routing command on the MSR router RTA, the router output is as follows:
From the above output, you can judge ______.
- A. The 192.168.1.0 network segment is in Area0
- B. The 192.168.2.0 network segment is in Area0
- C. There are 6 OSPF routes in total, including 1 intra-area route, 1 inter-area route, and 4 external routes
- D. 192.168.100.1 is the received Tpe2 LSA
Answer: A,C
NEW QUESTION 184
In the IS-IS network as shown in the figure, the RTA, RTB, and RTC configurations are as follows:
RTA]isis
RTA-isis-1]is-level level-1
RTA-isis-1]network-entit01.1111.1111.1111.00
RTA-isis-1]interface serial 2/0
RTA-Serial2/0]isis enable 1
RTA-Serial2/0]isis cost 1
RTB]isis
RTB-isis-1]is-level level-1
RTB-isis-1]network-entit01.2222.2222.2222.00
RTB-isis-1]interface serial 1/0
RTB-Serial1/0]isis enable 1
RTB-Serial1/0]isis cost 1
RTB-Serial1/0]interface Ethernet 0/0
RTB-Ethernet0/0]isis enable 1
RTB-Ethernet0/0]isis cost 1
RTC]isis
RTC-isis-1]is-level level-1
RTC-isis-1]network-entit01.3333.3333.3333.00
RTC-isis-1]interface Ethernet 0/0
RTC-Ethernet0/0]isis enable 1
RTC-Ethernet0/0]isis cost 1
RTC-Ethernet0/0]interface Ethernet 0/1
RTC-Ethernet0/1]isis enable 1
RTC-Ethernet0/1]isis cost 1
After the routing of each router is stable, the cost of IS-IS routing 192.168.3.0/24 on RTA is ______.
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: D
NEW QUESTION 185
When the neighbor status viewed by the displabgp peer command lock is Established, it means that ______ is received from the peer.
- A. Establish Message
- B. Keepalive Message
- C. Update Message
- D. Open Message
Answer: B
NEW QUESTION 186
The RIP protocol is enabled on a router, the process number is 1, and the priority is 10; at the same time, the OSPF protocol is enabled, the process number is 100, and the priority is 100. If two processes learn the route of the 10.0.0.0/8 network segment at the same time, the metric values are 1 (hop count) and 100 (cost value), and the next hop is 1.0.0.1 and 1.0.0.2 respectively.
After the router receives a packet with a destination address of 10.0.0.1, how to deal with it?
- A. Forward to 1.0.0.1
- B. Forward to 1.0.0.2
- C. Unable to judge
- D. Forward to 1.0.0.1 and 1.0.0.2 at the same time
Answer: A
NEW QUESTION 187
OSPF TotallStub area may be injected with ______ type LSA.
- A. Tpe1
- B. Tpe2
- C. Tpe5
- D. Tpe4
Answer: A,B
NEW QUESTION 188
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 189
In the network shown in the figure, the adjacency relationship between the routers is established normally, and there is no configured route leakage. Then RTA will forward the IP packet whose destination is 16.224.3.20 to ________.
- A. RTD
- B. RTC
- C. RTE
- D. RTB
Answer: C
NEW QUESTION 190
Regarding the Stub area and NSSA area of the OSPF protocol, the following statements are incorrect: _______
- A. Tpe4 LSA injection is not allowed in stub area and NSSA area
- B. Both stub area and NSSA area allow injection of Tpe3 LSA
- C. The injection of Tpe7 LSA is not allowed in the stub area, while the injection of Tpe7 LSA is allowed in the NSSA area
- D. The injection of Tpe5 LSA is not allowed in the stub area, while the injection of Tpe5 LSA is allowed in the NSSA area
Answer: A,B,C
NEW QUESTION 191
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 192
Which of the following commands can be used to view all the configured and enabled PBR information?
- A. displaip polic-based-route
- B. displaip polic-based-route statistics
- C. displaip routing-table
- D. displapolic-based-route
Answer: A
NEW QUESTION 193
E As shown in the figure, RTB and RTC each learn EBGP route N from RTD, RTB is missing LOCAL_PREF is set to 200, RTA and RTB, RTC establish IBGP neighbor relationship through loopback, RTA routing table, only N, RTB It is directly routed to the loopback of RTC and RTA itself. If RTB goes down due to a power failure, on RTA, can route N be switched to RTC immediately?
- A. Yes, because the neighbor relationship between RTA and RTB is interrupted, RTA immediately switches to RTC
- B. No, because RTA and RTB establish the IBGP neighbor relationship through the loopback address. If the interconnection interface is improved, it can be switched.
- C. No, because the neighbor relationship between RTA and RTB cannot be interrupted until the holdtime expires, and it takes about 3 minutes to switch over.
- D. Yes, because the next hop of the route N pointing to RTB is unreachable, RTA immediately switches to RTC
Answer: D
NEW QUESTION 194
In IS-IS, what is the difference between Hello messages on P2P type links and LAN type links?
- A. The types are inconsistent, use P2P IIH and LAN IIH respectively
- B. The sending interval is inconsistent, P2P is 10s, and LAN is 3.3s
- C. The sending method is inconsistent, P2P uses unicast, and LAN uses multicast
- D. LAN IIH is divided into Level-1 and Level-2, while P2P does not distinguish between
Answer: A,C,D
NEW QUESTION 195
The routers RTA and RTB are located in the same autonomous system. The BGP related configuration is as follows, then RTA and RTB are _____.
RTA]
bgp 100
timer keepalive 10 hold 30
peerRTB as-number 100
[RTB]
bgp 100
timer keepalive 30 hold 90
peerRTA as-number 100
- A. Able to establish IBGP neighbor relationship, the holdtime of RTA is 90s, and the holdtime of RTB is 90s
- B. Cannot establish IBGP neighbor relationship
- C. Able to establish IBGP neighbor relationship, the holdtime of RTA is 30s, and the holdtime of RTB is 30s
- D. The IBGP neighbor relationship can be established. The holdtime of RTA is 30s and the holdtime of RTB is 90s.
Answer: C
NEW QUESTION 196
In the IS-IS network as shown in the figure, when the routing is stable, change the RTB and RTD to 192.168.224.0/24, then IS-IS topology ______, IP routing information ______.
- A. Change, change
- B. No change, no change
- C. Change, no change
- D. No change, change
Answer: D
NEW QUESTION 197
Which of the following commands is used to reset PBR statistics?
- A. displaip polic-based-route
- B. reset polic-based-route statistics
- C. displaip routing-table
- D. displapolic-based-route
Answer: B
NEW QUESTION 198
Regarding the import-route command, which of the following statements are correct?
- A. Using the import-route command, only EBGP routes can be imported into the IGP routing domain
- B. Use the command import-route allow ibgp to import EBGP routes and IBGP routes into the IGP routing domain
- C. Use the command import-route bgp to import both EBGP and IBGP routes into the IGP routing domain
- D. Use the command import-route allow ibgp, only ibgp routes can be imported into the IGP routing domain
Answer: A,B
NEW QUESTION 199
The RIP protocol is enabled on a router with a priority of 10; the OSPF protocol is also enabled with a priority of 100. If two protocols have learned the route 10.0.0.0/8 at the same time, the metric values are 1 (hop count) and 100 (cost value), and the next hop is 1.0.0.1 and 1.0.0.2 respectively.
After the router receives a packet with a destination address of 10.0.0.1, how to deal with it?
- A. Forward to 1.0.0.1
- B. Forward to 1.0.0.2
- C. Unable to judge
- D. Forward to 1.0.0.1 and 1.0.0.2 at the same time
Answer: A
NEW QUESTION 200
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