路由表中，某条路由的“路由代码为D”，则表明该路由为（）

【名词&注释】

路由表(routing table)、互联网(internet)、通配符(wildcard)、区域间(inter-area)

[单选题]路由表中，某条路由的“路由代码为D”，则表明该路由为（）

A. 直连路由
B. 静态路由
C. IGRP路由
D. EIGRP路由

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学习资料：

[单选题]On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)

A. The destination host sends a request to the source for retransmission.
B. The jam signal indicates that the collision has been cleared.
C. The hosts will attempt to resume transmission after a time delay has expired.
D. An electrical pulse indicates that the collision has cleared.
E. The router on the segment will signal that the collision has cleared.
F. F. The hosts will do nothing, as the higher layers are responsible for data error correction and re-transmission.

[单选题]哪个ACL可允许主机10.220.158.10访问web服务器192.168.3.244()

A. access-list 101 permit tcp host 10.220.158.10 eq 80 host 192.168.3.224
B. access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 0.0.0.0 eq 80
C. access-list 101 permit host 10.220.158.10 0.0.0.0 host 192.168.3.224 0.0.0.0 eq 80
D. access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 eq 80

[单选题]下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配（）。

A. 255.255.255.0
B. 255.255.224.0
C. 0.0.0.31
D. 0.0.31.255

[单选题]在OSPF的完全存根区域中，使用以下哪种LSAType报文或其它方式与区域间^(inter-area)通信：（）

A. LSAType1.2
B. LSAType3
C. LSAType4
D. 默认路由：0.0.0.0

[单选题]为了使配置私有IP的设备能够访问互联网，应采用的技术是()

A. NAT
B. VLAN
C. ACCESS-LIST
D. DDR

[多选题]Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)

A. Addresses chosen by Ezonexam.com to communicate with the Internet.
B. Addresses that cannot be routed through the public Internet.
C. Addresses that can be routed through the public Internet.
D. A scheme to conserve public addresses.
E. Addresses licensed to enterprise or ISPs by an Internet registry organization.

[多选题]There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 in both switches. These two switches are connected together via a trunked link. Which of the conditions below would verify trunk and VLAN operation? (Select all valid answers)

A. Host 1 on VLAN 1 can ping Host 2 on VLAN 1
B. Host 1 on VLAN 1 can ping Host 4 on VLAN 2
C. Host 1 on VLAN 1 can not ping Host 2 on VLAN 1
D. Host 4 on VLAN 2 can not ping Host 1 on VLAN 1
E. Host 4 on VLAN 2 can ping Host 2 on VLAN 2

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