4A0-100問題集、Alcatel-Lucent実際の試験問題

質問 1

Host A receives a TCP SYN/ACK segment. What does this signify?

A. The TCP session has been terminated due to a timeout.

B. A TCP session is now established to host A.

C. Host A has received a request to establish a TCP session.

D. Host A has received a request to close a TCP session

正解: B

質問 2

How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?

A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic.

B. ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic.

C. ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire.

D. ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffic.

正解: A

質問 3

Which of the following statements best describes a hub?

A. A device that receives and forwards data based on the layer-3 destination address.

B. A device used to connect cables with signal amplification.

C. A device that receives and replicates data without layer-2 header inspection.

D. A device that receives and forwards data based on the MAC destination address.

正解: C

解説: (PassTest メンバーにのみ表示されます)

質問 4

Which of the following is a characteristic of the IP layer?

A. Provides a connectionless data transmission service.

B. Provides physical interconnection of network devices.

C. Provides reliable transfers of data.

D. Provides services equivalent to the OSI data link layer.

正解: A

質問 5

In what type of network is a broadcast storm likely to occur?

A. An Ethernet network with redundant paths not running STP.

B. An ATM network.

C. All of the above.

D. A SONET network.

正解: A

質問 6

How does a VPRN service avoid the problem of overlapping IP addresses from different customers?

A. Each VPRN service maintains a separate VPN routing and forwarding instance to separate customer routing information. This allows for overlapping addresses.

B. A VPRN ignores IP addressing information and uses MAC addressing instead, which are always unique.

C. You cannot have overlapping IP addresses. Customers must change their IP address assignment.

D. A VPRN translates customer IP addresses to a private addressing scheme administered by the service provider.

正解: A

質問 7

Based on the network diagram (click on exhibit), R2 wants to connect to the networks behind CR1 using a static-route. What is the correct syntax given the choices below? R1 has a valid static-route defined for networks behind CR1.

A. none of the above

B. config router static-route 192.168.2.0/24 next-hop 10.1.1.2

C. config router static-route 192.168.2.0/24 next-hop 10.2.3.2

D. config router static-route 192.168.2.0/24 next-hop 10.1.1.1

E. config router static-route 192.168.2.0/24 next-hop 10.2.3.1

正解: D

質問 8

Which of the following is NOT a characteristic of the Internet?

A. The Internet is a network that is advertised across the globe.

B. The Internet is a global and distributed network.

C. The Internet is a network owned by Tier 1 service providers.

D. The Internet is an open network of networks.

正解: C

質問 9

What is the basic unit of framing in SONET and the bit rate for its transmission?

A. STS-1 with a bit rate of 51.84 Mbit/s

B. STS-1 with a bit rate of 1.544 Mbit/s

C. STS-1 with a bit rate of 155.52 Mbit/s

D. STS-1 with a bit rate of 2.048 Mbit/s

正解: A

質問 10

What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?

A. Router redirect.

B. Destination Unreachable.

C. Echo Reply.

D. Echo Request.

正解: B

質問 11

How does LDP select the path used for an LSP?

A. LDP must be configured hop-by-hop by the service provider.

B. LDP follows the path chosen by the IGP.

C. LDP monitors the available bandwidth on all links and signals the LSP based on this information.

D. LDP uses the shortest hop-count between two endpoints for the LSP.

正解: B

質問 12

Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?

A. The system interface exists by default.

B. They can be used by routers to interconnect subnets.

C. They can be logical or physical.

D. They can be used in pairs on the same subnet for redundancy.

正解: D

質問 13

The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?

A. 4 subnets, 64 hosts

B. 4 subnets, 62 hosts

C. 6 subnets, 30 hosts

D. 64 subnets, 4 hosts

E. 64 subnets, 2 hosts

正解: B

質問 14

How many DS-3 frames can be transported in an OC-3 frame?

A. 3

B. 4

C. 1

D. 2

正解: A

Alcatel-Lucent Nokia IP Networksand Services Fundamentals - 4A0-100 模擬練習