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NEW QUESTION 297
Which of the following statements about IToIP is false is _______.
- A. Various IT resources can easily share and use the standard IP infrastructure to realize the further integration of various technologies and applications such as communication, computing, storage, and network.
- B. An IT system based on IToIP can create a standard, compatible, secure, intelligent and manageable IT application environment for users.
- C. IToIP requires that an IT system be constructed with an IP network as the infrastructure.
- D. IToIP closely connects applications and infrastructure, greatly improving the operating efficiency of IT systems.
Answer: D
NEW QUESTION 298
Which of the following methods of routing filtering are feasible?
- A. For OSPF, pass Type 3 LSA
- B. For OSPF, routing information calculated by filtering LSDB
- C. By filtering routing protocol packets
- D. By filtering routing information carried in routing protocol packets
Answer: A,B,C,D
NEW QUESTION 299
The topology of a certain network is complex, and there are multiple paths between the core and the branches. In order to control the routing between the core and the branch, effectively use bandwidth resources, and reduce maintenance costs, which of the following measures is the best?
- A. Use RIP as the routing protocol between the core and branches, and control routing by adjusting the routing priority
- B. Use IPSec to encrypt routing protocol messages between the core and branch
- C. Use IS-IS as the routing protocol between core and branch, and control routing through routing strategy
- D. Use fast rerouting technology between core and branch
Answer: C
NEW QUESTION 300
A local area network has been running for 2 years (17,520 hours) and has been shut down for 8 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year (8,760 hours), and was stopped for another 3 hours due to software failure.
Which of the following statements is true about the availability of this network (Avalabilit)?
- A. Before expansion, network availability was 99.97%
- B. Availability after network expansion is worse than before expansion
- C. The availability of the network is 99.96% since its inception
- D. Availability after network expansion is better than before expansion
Answer: C,D
NEW QUESTION 301
After executing the displaospf peer command on the MSR router RTA, the router output is as follows:
From the above output, it can be judged that ________.
- A. RTA is not elected as DR on the interconnected network
- B. There is still 37s of dead time between RTA and neighbors
- C. The Router ID of OSPF process 1 of RTA is 2.2.2.2
- D. The OSPF Router ID of the neighbor router is 3.3.3.3
Answer: A,B,D
NEW QUESTION 302
In BGP route selection, for the following four attributes, the order that the system considers is _______.
1. MED
2. Orign
3. As-path
4. Local preference
- A. 2 , 4 , 1 , 3
- B. 4 , 3 , 2 , 1
- C. 2 , 3 , 1 , 4
- D. 4 , 3 , 1 , 2
Answer: B
NEW QUESTION 303
The advantages of DR/BDR election in OSPF protocol include ______.
- A. The router with the highest stability becomes the DR/BDR, which can enhance the robustness of the network
- B. Reduced number of adjacencies maintained
- C. After the DR fails, the BDR becomes the DR immediately, which can reduce the convergence time after the route change
Answer: B,C
NEW QUESTION 304
In the topology shown in the figure, the following configurations are performed on RTA and RTB respectively:
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
If area 2 needs to be configured as an NSSA area, how should it be configured on RTC and RTD?
- A. 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]nssa RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255 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]nssa
- B. 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]nssa RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255 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]nssa
- C. 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]nssa RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255 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-0.0.0.0]stub
- D. 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]nssa RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255 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
Answer: A
NEW QUESTION 305
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 192.168.0.0 0.0.0.255
RTB-acl-basic-2000] rule 5 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. 192.168.4.0/24
- C. 192.168.1.0/24
- D. 192.168.0.0/24
Answer: A,B
NEW QUESTION 306
Which of the following tools are route filters?
- A. ACL
- B. route-polic
- C. filter-polic
- D. Address mask
Answer: A,B,C
NEW QUESTION 307
Run commands on the router and display information as follows:
From the above information, we can know that ______ IS-IS Level-1 routes have been added to the RTB routing table.
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: A
NEW QUESTION 308
In the topology shown in the figure, execute the following command on the RTA:
RTA-ospf-1] default-route-advertise
The default route cannot be observed in the routing table of the RTC router, the impossible reason is ______
- A. A routing policy is configured on the RTC to filter the default route
- B. No default route in RTA's routing table
- C. A routing policy is configured on RTB to filter the default route
- D. Area1 is configured as an NSSA area
Answer: C
NEW QUESTION 309
As shown in the figure, RTA is the border router of OSPF routing domain and BGP routing domain. If a BGP route with a MED value of 200 is imported into OSPF on RTA, the COST value of the route learned by RTB is ______ by default.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 310
As shown in the figure, both RTA and RTB run RIPng on the E0/0 interface, so the source address used in the RIPng packets sent by RTA is ________.
- A. FF02::9
- B. FE80::1
- C. FE80::2
- D. 2009::2
- E. 2009::1
Answer: B
NEW QUESTION 311
In the topology shown in the figure, the following configuration is performed on RTA, RTB, RTC and RTD respectively:
RTA] ospf 1 router-id 1.1.1.1
RTA-ospf-1] area 0
RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
RTA-ospf-1-area-0.0.0.0] network 1.1.1.1 0.0.0.0
RTB] ospf 1 router-id 2.2.2.2
RTB-ospf-1] area 0
RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
RTB-ospf-1-area-0.0.0.0] network 2.2.2.2 0.0.0.0
RTB-ospf-1] area 1
RTB-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1] vlink-peer 3.3.3.3
RTC] ospf 1 router-id 3.3.3.3
RTC-ospf-1] area 1
RTC-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255
RTC-ospf-1-area-0.0.0.1] network 3.3.3.3 0.0.0.0
RTC-ospf-1-area-0.0.0.1] vlink-peer 2.2.2.2
RTC-ospf-1] area 2
RTC-ospf-1-area-0.0.0.2] network 192.168.3.0 0.0.0.255
RTD] ospf 1 router-id 4.4.4.4
RTD-ospf-1] area 2
RTD-ospf-1-area-0.0.0.2] network 192.168.3.0 0.0.0.255
RTD-ospf-1-area-0.0.0.2] network 4.4.4.4 0.0.0.0
Then the router type in the OSPF area of RTC is _______
- A. ASBR
- B. Backbone router
- C. In-area routers
- D. ABR
Answer: B,D
NEW QUESTION 312
A network is connected to the Internet through a 64kbps wide area link. The customer requires that the bandwidth of this link be used as efficiently as possible.
You should use _______ to connect to the Internet.
- A. BGP protocol
- B. static route
- C. OSPF protocol
- D. RIP protocol
Answer: B
NEW QUESTION 313
In the OSI network system, the one with similar functions to the IP protocol in TCP/IP is _________.
- A. Network Protocol Data Unit (NPDU)
- B. Connectionless Network Service ( CLNS )
- C. Network Service Access Point (NSAP)
- D. Connectionless Network Protocol ( CLNP )
Answer: D
NEW QUESTION 314
The command to configure manual route aggregation of RIP protocol on MSR router is ___________.
- A. Router] rip summar-address 172.16.0.0 22
- B. Router-Serial1/0] rip summar-address 172.16.0.0 22
- C. Router-rip-1] rip summar-address 172.16.0.0 22
- D. Router-rip-1] rip summar-address 172.16.0.0
Answer: B
NEW QUESTION 315
As shown in the figure, the MSR router at the headquarters is connected to the branch through two 100Mbps Ethernet links. To make full use of the existing bandwidth resources, which of the following routing schemes is the best?
- A. The main link runs OSPF and the backup link runs RIP
- B. Run RIP on the main link, configure static routing, outgoing interface points to the backup link, set the priority value to 150
- C. The main link runs OSPF, static routing is configured, and the outgoing interface points to the backup link
- D. The two Ethernet links between the headquarters and branches run OSPF protocol at the same time to realize ECMP
Answer: D
NEW QUESTION 316
From RTA to RTD, etc., perform IS-IS networking as shown in the figure. The Stem-IDs of RTA, RTC, and RTD are shown in the figure.
Then ______ of the following options can be used as the Stem-ID of RTB.
- A. 0003.0000.0000
- B. 0004.0000.0000
- C. 0002.0000.0000
- D. 0002.0003.0000
Answer: C,D
NEW QUESTION 317
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