400-101 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Which two statements about OSPFv3 are true? (Choose two.)

A.It supports unicast address families for IPv4 and IPv6.
B.It supports unicast address families for IPv6 only.
C.It supports only one address family per instance.
D.It supports the use of a cluster ID for loop prevention.
E.It supports multicast address families for IPv4 and IPv6.
F.It supports multicast address families for IPv6 only.

正解:

Question No : 2
Which two statements about BGP best-path selection are true? (Choose two.)

A.The route with the highest local preference is preferred.
B.The weight attribute is advertised to peers.
C.The route with the lowest MED is preferred.
D.A route that originates from iBGP peers is preferred.
E.A route that originates from a router with a higher BGP router ID is preferred.
F.The lowest weight advertised is preferred.

正解:

Question No : 3
Refer to the exhibit.

Which two statements about the 192.168.23.0/24 prefix are true? (Choose two.)

A.Router 192.168.45.4 cannot act as a feasible successor.
B.Router 192.168.35.3 is the only successor.
C.Only router 192.168.45.4 is a feasible successor.
D.Routers 192.168.35.3 and 192.168.45.4 are successors.
E.Routers 192.168.35.3 and 192.168.45.4 are feasible successors.
F.Only router 192.168.35.3 is a feasible successor

正解:

Question No : 4
Drag each IS-IS command on the left to its effect on the right.

正解:

Question No : 5
Which attribute is not part of the BGP extended community when a PE creates a VPN-IPv4 route while running OSPF between PE-CE?

A.OSPF domain identifier
B.OSPF route type
C.OSPF router ID
D.MED
E.OSPF network type

正解:

Question No : 6
Refer to the exhibit.

How can you configure this network so that customers can transparently extend their networks through the provider?

A.Configure eBGP peering among the CE routers.
B.Configure EIGRP OTP on the CE routers.
C.Configure eBGP peering between the CE and PE routers.
D.Configure OSPF peering between the CE and PE routers.

正解:

Question No : 7
Which PIM multicast type is designed to be used for many-to-many applications within individual PIM domains?

A.PIM-DM
B.SSM
C.PIM-SM
D.Bidir-PIM

正解:

Question No : 8
You are backing up a server with a 1 Gbps link and a latency of 2 ms.
Which two statements about the backup are true? (Choose two.)

A.The bandwidth delay product is 2 Mb.
B.The default TCP send window size is the limiting factor.
C.The default TCP receive window size is the limiting factor.
D.The bandwidth delay product is 500 Mb.
E.The bandwidth delay product is 50 Mb.

正解:

Question No : 9
Drag and drop the NAT operations on the left into the correct sequential order on the right.

正解:

Question No : 10
How is traffic directed to a 6RD tunnel interface from the native IPv6 Internet?

A.Traffic is routed to the 6RD gateway of the ISP and encapsulated over IPv4 to the tunnel interface.
B.Traffic is sent encapsulated in IPv4 from the native IPv6 host directly to the tunnel interface.
C.Traffic is routed to the nearest public gateway and encapsulated over IPv4 to the tunnel interface.
D.Traffic is routed to the nearest public relay and encapsulated over IPv4 to the tunnel interface.

正解:

Question No : 11
Refer to the exhibit.

What are two effects of the given network configuration? (Choose two.)

A.R2 and R3 fail to form an adjacency.
B.R2 advertises the 192.168.12.0/24 network
C.R2 advertises the 192.168.23.0/24 network.
D.The 192.168.12.0/24 network is added to R3 database.
E.R1 and R2 fail to form an adjacency.
F.The 192.168.12.0/24 network is added to R3 route table.

正解:

Question No : 12
Which IPv6 tunneling mechanism requires a service provider to use one of its own native IPv6 blocks to guarantee that its IPv6 hosts will be reachable?

A.automatic 4to6 tunneling
B.NAT-PT tunneling
C.ISATAP tunneling
D.6rd tunneling
E.automatic 6to4 tunneling
F.manual ipv6ip tunneling

正解:

Question No : 13
Drag and drop each EIGRP packet type from the left onto the matching description on the right.

正解:

Question No : 14
When the BGP additional-paths feature is used, what allows a BGP speaker to differentiate between the different available paths?

A.The remote BGP peer prepends its own next-hop address to the prefix.
B.A unique path identifier is encoded into a dedicated field to the NLR
C.A route distinguisher is appended to the prefix by the receiving BGP speaker.
D.The additional path information is encoded in an extended community.

正解:

Question No : 15
Refer to the exhibit.

Which option describes the purpose of the as-set argument of the aggregate-address command?

A.it provides an AS path in the aggregate advertisement that contains only the local AS number.
B.It provides a predefined AS path in the aggregate advertisement that is used to indicate an aggregate prefix.
C.It provides an AS path in the aggregate advertisement that includes the AS numbers of the component members.
D.It provides a list of AS numbers top which the aggregate is advertised.

正解:

Cisco 400-101 問題練習