-
When implementing OSPFv3, which statement describes the configuration of OSPF areas?（）
A . In interface configuration mode, the OSPFv3 area ID combination assigns interfaces to OSPFv3 areas.
B . In router configuration mode, the network wildcard area ID combination assigns networks to OSPFv3 areas.
C . In interface configuration mode, the IPv6 OSPF process area ID combination assigns interfaces to OSPFv3 areas.
D . In router configuration mode, the IPv6 OSPF interface area ID combination assigns interfaces to OSPFv3 areas.
-
Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B?（）https://assets.asklib.com/images/image2/2018072410262779147.jpg
A . The loopback addresses are on different subnets
B . The value of the dead timers on the router are different
C . Route summarization is enabled on both routers
D . The process indentifier on router A is different than the process identifier on router B
-
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）
A . Never use passive interfaces.
B . Use NSSA areas from the core down.
C . Use totally stub areas to stop type 3 LSAs.
D . Use the lowest Ethernet interface IP address as the router ID.
E . Tune OSPF timers to enable OSPF to achieve quicker convergence.
-
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）
A . show ip access-list
B . show access-list
C . list ip interface
D . show interface
E . show ip interface
-
When using the wlse to verify rf coverage，which task will use the configured radio settings？（）
A . frame monitoring
B . radio scan
C . self-healing
D . client walkabout
-
The OSPF RFC 3623 Graceful Restart feature allows you to configure IETF NSF in ultivendor networks. When using OSPF Graceful Restart，which mechanism is used tocontinue forwarding packets during a switchover？（）
A . Reverse Path Forwarding
B . Hardware-based forwarding
C . UDP forwarding
D . Layer 2 Forwarding
-
Refer to the exhibit. Which two Cisco IOS commands on R2 would verify its OSPF neighbor relationships?（）https://assets.asklib.com/images/image2/2018073017210077293.jpg
A . show ip ospf
B . show ip ospf interface
C . show ip ospf neighbor
D . show ip ospf database
E . show ip ospf statistics
F . show running - config begin router ospf
-
When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured， which two statements are true？ （）
A . OSPF hello interval is 5 seconds
B . OSPF hello interval is 1 second
C . OSPF dead interval is 1 second
D . OSPF dead interval is 5 seconds
E . OSPF dead interval is 20 seconds
F . OSPF hello interval is 0.2 second
-
Which IOS commands can a network technician use to verify all RIP, IGRP,EIGRP, and OSPF routing protocol configurations?（）
A . debug ip routing
B . show running-config
C . show ip route protocols
D . show ip protocols
E . show protocols al
-
The OSPF RFC 3623 Graceful Restart feature allows you to configure IETF NSF in ultivendor networks. When using OSPF Graceful Restart， which mechanism is used tocontinue forwarding packets during a switchover？（）
A . Reverse Path Forwarding
B . Hardware-based forwarding
C . UDP forwarding
D . Layer 2 Forwarding
-
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）
A . Never use passive interfaces.
B . Use NSSA areas from the core down.
C . Use totally stub areas to stop type 3 LSAs.
D . Use the lowest Ethernet interface IP address as the router ID.
E . Tune OSPF timers to enable OSPF to achieve quicker convergence
-
When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?（）
A . exstart state>exchange state>loading state>full state
B . exstart state>full state>loading state>exchange state
C . Loading state>exchange state>full state>exstart state
D . exstart state>loading state>exchange state>full state
-
You are troubleshooting an OSPF problem where external routes are not showing up in the OSPF database. Which two options a re valid checks that should be performed first to verify proper OSPF operation?（）
A . Are the ASBRs trying to redistribute the external routes into a totally stubby area?
B . Are the ABRs configured with stubby areas?
C . Is the subnets keyword being used with the redistribution command?
D . Is backbone area (area 0) contiguous?
E . Is the CPU utilization of the routers high?
-
Router R1 sets a route tag for subnet 10.1.1.0/24 when redistributing from OSPF into EIGRP.Which of the following unit is assigned to the route tag?（）
A . Kilobits/seconD
B . Tens of microseconds
C . Cost
D . Hop count
E . No unit is assigneD
-
How can an administrator verify that the disk is still usable when the output of ‘lspv’ shows‘hdisk1’ is in a missing state？（）
A . lspv -l hdisk1
B . lscfg -l hdisk1
C . lsattr -l hdisk1
D . dd if=/dev/hdisk1 bs=512k count=10 of=/tmp/disk.txt
-
Which of the following OSPF commands, when used together, will put the network 192.168.10.0/24 into OSPF area 0?（）
A . Router(config-router)# network 192.168.10.0 0.0.0.255 0
B . Router(config-router)# network 192.168.10.0 0.0.0.255 area 0
C . Router(config-router)# network 192.168.10.0 255.255.255.0 area 0
D . Router(config)# router ospf 0
E . Router(config)# router ospf 1
-
What action should you be prepared to take when verifying a security solution？（）
A . having alternative addressing and VLAN schemes
B . having a rollback plan in case of unwanted or unexpected results
C . running a test script against all possible security threats to insure that the solution will mitigate all potential threats
D . isolating and testing each security domain individually to insure that the security design will meet overall requirements when placed into production as an entire system
-
When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?（）
A . OSPF process ID
B . OSPF router ID
C . OSPF network type
D . OSPF memory usage
E . OSPF CPU utilization
F . OSPF stub area configuratio
-
Which command should you use to verify what networks are being routed by a given OSPF process（）
A . show ip ospf
B . show ip route
C . show ip protocol
D . show ip ospfdatabase
E . None of the other alternatives apply
-
OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）
A . OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs
B . OSPF not so stubby areas are particularly useful as a simpler form of summarization
C . OSPF stub areas are always insulated from external changes
D . OSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areas
E . OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomai
-
Which two features prevent routing loops between the OSPF sites of a customer when the sites aremultihomed or a backdoor link is used between the sites？ （）
A . sham link
B . down bit
C . virtual link
D . Site of Origin
E . domain tag
-
Which RMAN command is used to verify the status of a backup or copy， and also updates the repository when files have been deleted using operating system commands？（）
A . CHANGE
B . RESYNC
C . CATALOG
D . CROSSCHECK
-
The idiom 巴山夜雨 implies the loneliness of Li Shangyin ( 李商隐 ) when he served in the Ta-pa Mountains ( 大巴山脉 ).
-
Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B？（）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/67e52e69e1cc511a71a60a5d0c35c68a.jpg' />
A.The loopback addresses are on different subnets
B.The value of the dead timers on the router are different
C.Route summarization is enabled on both routers
D.The process indentifier on router A is different than the process identifier on router B
