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NEW QUESTION 293
In the IS-IS network as shown in the figure, when the route is stable, shut down the interface where the IP address 192.168.24.1 on the RTB is located. Then IS-IS topology ______, IP routing information ______.
- A. Change, change
- B. No change, change
- C. Change, no change
- D. No change, no change
Answer: A
NEW QUESTION 294
Regarding the Local_Preference attribute of BGP, the following statement is wrong is ______
- A. BGP router passes this attribute to IBGP neighbor
- B. BGP router passes this attribute to EBGP neighbors
- C. The attribute value of Local_Preference only affects the traffic leaving the AS, not the traffic entering the AS
- D. The Local_Preferenc attribute is a recognized must-follow attribute
Answer: B,D
NEW QUESTION 295
The advantages of a modular network architecture include ______. (select one or more)
- A. It replaces the traditional hierarchical network model, which is convenient for network planning and deployment.
- B. Allows dynamic invocation of IT resources through open interfaces to achieve a standard, compatible, secure, intelligent and manageable IT application environment.
- C. 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 complex networks.
- D. Allows different application functions or application systems to share data, resources and capabilities, and participate in business processes.
Answer: C
NEW QUESTION 296
The figure shows the sending of Hello messages between RTA, RTB, and RTC.
Based on the above information, it can be judged that between RTA and RTC is ______, and between RTC and RTB is ______.
- A. The neighboring relationship has been established, but the neighboring relationship has not been established
- B. No adjacency relationship established, no adjacency relationship established
- C. The neighbor relationship has been established, and the neighbor relationship has been established
- D. The neighbor relationship has not been established, but the neighbor relationship has been established
Answer: D
NEW QUESTION 297
In a certain network project, the client considers that network users may increase substantially in the future, so the network is required to have better scalability.
Which of the following measures can improve the scalability of the network?
- A. Use RIP-1 for routing configuration
- B. Deploy data encryption between the core and remote branches
- C. Use OSPF protocol and plan network layered architecture
- D. Use static routing for routing configuration
Answer: C
NEW QUESTION 298
The characteristics of the distance vector routing protocol include ________. (Choose one or more)
- A. Fast routing convergence
- B. Send routing updates periodically
- C. Take the cost to the destination as the route metric
- D. Deliver routing updates hop by hop
Answer: B,D
NEW QUESTION 299
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. Cannot establish IBGP neighbor relationship
- B. Able to establish IBGP neighbor relationship, the holdtime of RTA is 90s, and the holdtime of RTB is 90s
- 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 300
The networking is shown in the figure, RTA and RTB are route reflectors, RTC and RTD are route reflector clients, and RTC and RTD need to learn BGP routes from each other. How should I plan?
- A. RTA and RTB are configured with different cluster-ids, RTC and RTB establish iBGP neighbor relationship, RTD and RTA establish iBGP neighbor relationship
- B. RTA and RTB configure the same cluster-id, RTC and RTA establish iBGP neighbor relationship, RTD and RTA establish iBGP neighbor relationship
- C. RTA and RTB are configured with different cluster-ids, RTC and RTB establish iBGP neighbor relationship, RTD and RTA establish iBGP neighbor relationship
- D. RTA and RTB are configured with the same cluster-id, RTC and RTA establish iBGP neighbor relationship, RTD and RTB establish iBGP neighbor relationship
Answer: A
NEW QUESTION 301
RTA and RTB run OSPF routing protocol, and both belong to the backbone area.
Which of the following methods can be used to advertise the RTA direct route 192.168.1.0/24 to the OSPF routing domain?
- A. RTA-ospf-1]import-route static
- B. RTA-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255
- C. RTA-ospf-1]import-route direct
- D. RTA]ip route-static 192.168.1.0 24 null0 RTA-ospf-1]import-route static
Answer: B,C
NEW QUESTION 302
Which of the following statements about filters is __________.
- A. AS-path list is for AS rather than specific routes for routing control
- B. Among several filters, Route-polic is more functional
- C. Filter-polic can filter received routes or advertised routes, and can modify BGP attribute values
- D. Route-polic can filter in the process of receiving, publishing and importing routes, and can modify the attribute value of BGP
Answer: A,B,D
NEW QUESTION 303
As shown in the figure, RTA has configured each interface address and enabled the NAT-PT function. It is now required to configure a one-to-one static NAT-PT mapping on the RTA, which of the following configurations is correct?
- A. RTA]natpt v6bound static 1::2 1.1.1.3 RTA]natpt v4bound static 1.1.1.3 1::3
- B. RTA]natpt v6bound static 1::2 1.1.1.3 RTA]natpt v4bound static 1.1.1.2 1::3
- C. RTA]natpt v6bound static 1::2 1.1.1.2 RTA]natpt v4bound static 1.1.1.3 1::3
- D. RTA]natpt v6bound static 1::3 1.1.1.3 RTA]natpt v4bound static 1.1.1.2 1::2
Answer: B
NEW QUESTION 304
2 In the network shown in the figure, RTA, RTB, RTC, and RTD are in the same AS, and the IBGP connection shown in the figure is established.
Which of the following statements about BGP reflector settings is true?
- A. RTE just needs to be set as a client of RTB.
- B. To enhance routing reliability, in AS100, RTA and RTB are set as the radiators of RTC and RTD.
- C. RTA and RTB must be set up as reflectors and clients for each other.
- D. If RTC and RTD also establish IBGP peers, undo reflect between-clients should be set on the reflector.
Answer: B,D
NEW QUESTION 305
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 NAT protocol between core and branch
- B. Use BGP as the routing protocol between the core and branches, and control routing by adjusting routing attributes
- C. Use RIP as the routing protocol between the core and branches, and control routing by adjusting the routing priority
- D. Use IPSec to encrypt routing protocol messages between the core and branch
Answer: B
NEW QUESTION 306
In the IS-IS network shown in the figure, after the routes of each router are stable, the IS-IS Level-1 routes learned by RTB through neighbors are ______.
- A. 10.2.3.0/30
- B. 10.1.3.0/30
- C. 10.3.4.0/30
- D. 10.1.2.0/30
Answer: B,C
NEW QUESTION 307
The routers RTA and RTB belong to different autonomous systems. The BGP related configuration is as follows, then between RTA and RTB ______.
RTA]
bgp 65001
timer keepalive 15 hold 45
peerRTB as-number 65001
RTB]
bgp 65002
timer keepalive 10 hold 30
peerRTA as-number 65002
- A. Cannot establish eBGP neighbor relationship
- B. The eBGP neighbor relationship can be established. The holdtime of RTA is 15s and the holdtime of RTB is 10s.
- C. The eBGP neighbor relationship can be established. The holdtime of RTA is 45s and the holdtime of RTB is 30s.
- D. Able to establish eBGP neighbor relationship, the holdtime of RTA is 30s, and the holdtime of RTB is 30s
Answer: D
NEW QUESTION 308
As shown in the figure, RTA needs to communicate with PCA and PCB at the same time, so it needs to ________ on RTA.
- A. enable only IPv6 stack
- B. enable only IPv4 stack
- C. Neither IPv4 nor IPv6 are enabled
- D. enable both IPv4 and IPv6 stacks
Answer: D
NEW QUESTION 309
In the topology shown in the figure, the correct IP addresses have been configured on RTA, RTB and RTC, and the network layer is reachable.
If OSPF neighbors need to be established between routers and routes are transmitted correctly, which of the following configurations is definitely feasible?
- A. 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 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 RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
- B. RTA-Serial5/0] ospf dr-priorit100 RTA] ospf 1 router-id 1.1.1.1 RTA-ospf-1] peer 192.168.1.2 RTA-ospf-1] peer 192.168.1.3 RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTB] ospf 1 router-id 2.2.2.2 RTB-ospf-1] peer 192.168.1.1 RTB-ospf-1] area 0 RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] peer 192.168.1.1 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
- C. RTA] ospf 1 router-id 1.1.1.1 RTA-ospf-1] peer 192.168.1.2 RTA-ospf-1] peer 192.168.1.3 RTA-ospf-1] area 0 RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255 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 RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
- D. RTA-Serial5/0] fr map ip 192.168.1.3 20 broadcast RTA-Serial5/0] fr map ip 192.168.1.2 50 broadcast RTA-Serial5/0] ospf network-tpe p2mp 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 RTB-Serial5/0] fr map ip 192.168.1.1 30 broadcast RTB-Serial5/0] ospf network-tpe p2mp 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 RTC-Serial5/0] fr map ip 192.168.1.1 40 broadcast RTC-Serial5/0] ospf network-tpe p2mp RTC] ospf 1 router-id 3.3.3.3 RTC-ospf-1] area 0 RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255
Answer: B,D
NEW QUESTION 310
As shown in the figure, RTA is the border router of OSPF routing and BGP routing domain. If a BGP route with a MED value of 100 is imported into OSPF on RTA, then by default, RTB learns the COST value of the route ______.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 311
On MSR routers, the default OSPF link cost values for Gigabit Ethernet, Fast Ethernet, and Ten Gigabit Ethernet are ______ respectively.
- A. 1 , 1 , 10 ,
- B. 1 , 10 , 10
- C. 1 , 10 , 100
- D. 1 , 1 , 1
Answer: A
NEW QUESTION 312
If the link layer protocol of the OSPF interface is HDLC, the corresponding network type is _____.
- A. P2MP
- B. NBMA
- C. Broadcast
- D. P2P
Answer: D
NEW QUESTION 313
As shown, 4 routers are connected to one Ethernet link. The router interface is of broadcast network type. Then according to the information in the figure, it can be judged that there are ________ IS-IS adjacencies on the Ethernet link.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 314
Of the following routing protocols, _______ supports manual route aggregation. (select one or more)
- A. RIP-2
- B. OSPF
- C. RIP-1
- D. BGP
Answer: A,B,D
NEW QUESTION 315
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