VLANs help in reducing which of the following? (Choose two)
A. Encryption requirements
B. Routing complexity
C. Collision domains
D. Broadcast domains
正解:C,D
質問 2:
Referring to the exhibit, how many milliseconds will pass before the BGP neighbor is considered dead?
A. 2000ms
B. 9000ms
C. 1000ms
D. 3000ms
正解:D
質問 3:
Which statement is correct about areas in OSPF?
A. An OSPF area is used to signify the autonomous system to which each device belongs.
B. An OSPF area is used to segment Layer 2 broadcast domains.
C. OSPF areas are used to reduce the size of the link-state database.
D. OSPF areas are used to isolate the effects of a broadcast storm.
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
What does MACsec stand for?
A. MAC Sublayer Encryption
B. Media Access Control Security
C. MAC Security
D. Media Access Control Sublayer Encryption
正解:B
質問 5:
When using spine and leaf fabric architectures, what is the role of each device? (Choose two.)
A. Spine nodes are used for host connectivity.
B. Leaf nodes are used for host connectivity.
C. Spine nodes are used for transit to other leaf nodes.
D. Leaf nodes are used for traffic to other leafs.
正解:B,C
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
How does OSPF calculate the best path to a particular prefix?
A. It finds the path with the numerically lowest cost.
B. It finds the path with the least number of hops.
C. It finds the path with the numerically lowest route preference.
D. It finds the path with the shortest autonomous system path.
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
What is the primary purpose of an IRB Layer 3 interface?
A. to provide port security
B. to provide load balancing
C. to provide a default VLAN ID
D. to provide inter-VLAN routing
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
In OSPF, which command is commonly used to monitor neighbor relationships?
A. show ip route ospf
B. show ip ospf neighbors
C. show ospf database
D. show ospf interfaces
正解:B
質問 9:
Which state in the adjacency process do OSPF routers check the MTU size?
A. Init
B. ExStart
C. Exchange
D. Done
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
Akimoto -
JN0-280試験によく出題される、最重要用語や問題傾向を掲載しているから気に入ってます。