GB0-381-ENU試験問題集でPDF問題とテストエンジン [Q211-Q228]

GB0-381-ENU試験問題集でPDF問題とテストエンジン

GB0-381-ENU問題集で必ず試験合格させる

質問 211
Regarding the NSSA area of the OSPF protocol, the following statements are correct: _______

A. Virtual links cannot pass through the NSSA area
B. Tpe7 LSA injection is not allowed in the NSSA area
C. Injection of Tpe3 LSA and Tpe4 LSA is not allowed in the NSSA area
D. There can be multiple ASBRs in an NSSA area

正解: A,D

質問 212
IS-IS sends ________ messages periodically on the broadcast network type link.

A. LSP
B. PSNP
C. IIH
D. CSNP

正解: C,D

質問 213
The PBR configuration on a router is as follows.
polic-based-route pbr_a permit node 10
if-match acl 3000
apploutput-interface serial 2/0
polic-based-route pbr_a dennode 20
if-match acl 3000
Assuming that the policy has been successfully applied, how will the data flow matching Acl 3000 on the router be forwarded?

A. Data streams matching Acl 3000 will be forwarded according to the default route
B. Data streams matching Acl 3000 will be discarded
C. The data flow matching Acl 3000 will not be forwarded according to the normal route
D. Data flow matching Acl 3000 will not be forwarded according to policy routing

正解: C

質問 214
______ Use the shortest path first (SPF) algorithm.

A. RIP
B. BGP
C. S-IS
D. OSPF

正解: C,D

質問 215
Which of the following tools are route filters?

A. ACL
B. route-polic
C. filter-polic
D. Address mask

正解: A,B,C

質問 216
M In the network shown in the figure, the default next hop RTC of RTA, and the PBR configuration on RTA is as follows:
polic-based-route pbr_a permit node 10
if-match packet-length 64 100
applip-address next-hop 11.0.0.2
if-match packet-length 101 1000
applip-address next-hop 12.0.0.2
polic-based-route pbr_a dennode 20
Assuming that the strategy has been successfully applied, how will the data stream on RTA be forwarded?

A. Messages with a message length of 64 to 100 bytes will be sent to 11.0.0.2 according to the default route
B. Messages with a message length of 101~1000 bytes will be sent to 12.0.02 according to policy routing
C. Messages with a message length of 64~100 bytes will be sent to 11.0.0.2.
D. Messages with a message length of 101~1000 bytes will be sent to 11.0.02 according to the default route

正解: B,C

質問 217
PBR configuration on a router is as follows.
polic-based-route pbr_a permit node 10
if-match acl 3000
apploutput-interface serial 2/0
polic-based-route pbr_a dennode 20
if-match acl 3000
Assuming that the strategy has been successfully applied, how will the data stream configured with Acl3000 on the router be forwarded?

A. Data streams matching Acl 3000 will be forwarded according to the default route
B. Data streams matching Acl 3000 will be discarded
C. Data flows matching Acl 3000 will be forwarded according to policy routing
D. The data stream matching Acl 3000 will be forwarded according to the normal route

正解: C

質問 218
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. Able to establish eBGP neighbor relationship, the holdtime of RTA is 30s, and the holdtime of RTB is 30s
D. The eBGP neighbor relationship can be established. The holdtime of RTA is 45s and the holdtime of RTB is 30s.

正解: C

質問 219
RTA and RTB run the BGP routing protocol, and there is a static default route on RTA at the same time.
The correct way to import the default route in RTA into BGP is ______

A. Configure default-route imported under RTA's BGP attempt
B. Configure import-route static and default-route imported under RTA's BGP attempt
C. Configure network 0.0.0.0 0.0.0.0 under RTA's BGP attempt
D. Configure import-route static under RTA's BGP attempt

正解: B,C

質問 220
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. 192.168.1.0/24
B. 192.168.4.0/24
C. 192.168.2.0/24
D. 192.168.0.0/24

正解: B,C

質問 221
About the difference between system policy routing and interface policy routing. The correct statement is _________

A. System policy routing works on both locally generated and forwarded packets
B. Interface policy routing only affects forwarded packets, and does not affect locally generated packets
C. System policy routing only affects local messages, and does not affect forwarded messages
D. Interface policy routing works on both locally generated packets and forwarded packets

正解: B,C

質問 222
There are 4 routes 10.0.0.0/24, 10.0.1.0/24, 10.0.2.0/24, and 10.0.3.0/24 in the routing table.
For route aggregation, the correct route after aggregation is _________.

A. 10.0.0.0/25
B. 10.0.0.0/23
C. 10.0.0.0/22
D. 10.0.0.0/24

正解: C

質問 223
For the IS-IS protocol message interaction process, the following description is correct.

A. NSAP is a variable length address, the longest is 160 bits, and the shortest is 64 bits
B. In an IP network, IS-IS is carried in IP packets for interaction
C. NSAP address is composed of IDP and DSP, with a fixed length of 160 bits
D. IS-IS protocol packets use the NSAP address in CLNP

正解: C,D

質問 224
As shown in the figure: RTA and RTB are IBGP neighbors, and RTB and RTC are EBGP neighbors.
If the community attribute is used on the router RTA so that the route 10.10.10.0/24 on RTA can only be advertised to RTB, but cannot be forwarded to RTC through RTB, then what community attribute value should be set for 10.10.10.0/24 on RTA ?

A. no-advertise-subconfed
B. no-advertise
C. no-export
D. no-export-subconfed

正解: B,C,D

質問 225
As shown in the figure, EBGP runs between AS100, AS200, AS300, and AS400.
When AS100 receives the BGP route sent by AS400, the path sequence recorded in its AS-Path attribute is ______

A. (100, 200, 300, 400)
B. (400, 300.200)
C. (400, 300.200, 100)
D. (200, 300, 400)

正解: D

質問 226
In the IS-IS network as shown in the figure, when the routing is stable, the link between RTB and RTD is increased from the address network segment 192.168.224.0/24, then IS-IS topology ______, IP routing information ______ .