If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?（）
第1题：
Every host and router on the Internet has an IP address, which encodes its
A．host number
B．host number and socket
C．network number
D．host number and network number
第2题：
A.192.168.100.48
B.192.168.100.16
C.192.168.100.0
D.192.168.100.32
第3题：
● Every host and router on the Internet has an IP address，which encodes its (69) ．
(69) A．host number
B．host number and socket
C．network number
D．host number and network number
【解析】译文：每一个因特网上的主机和路由器都有一个IP地址，它编码了该机的主机号和网络号。
第4题：
A.ARP
B.CDP
C.DHCP
D.DNS
E.ICMP
第5题：
A company is experiencing network delays. The network administrator discovers that a worker in a location far from the MDF has connected an old 10BASE-T switch with redundant links to the existing network.How could this action be responsible for the impaired network performance?（）
A. Connecting a host to the old switch has created a broadcast storm.
B. The 10BASE-T switch forced the entire network to be reduced to 10 Mbps operation.
C. The old switch does not support VLANs, which has disabled the VLAN configuration of the entire the network.
D. The old switch does not support full-duplex operation, effectively forcing half-duplex operation throughout the network.
E. Spanning Tree Protocol has elected the old switch as the root bridge, creating inefficient data paths through the switched network.
第6题：
Every host and router on the Internet has an IP address, which encodes its(12).
A．host number
B．network number
C．host number and socket
D．host number and network number
第7题：
The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two)
A．ARP
B．CDP
C．DHCP
D．DNS
E．ICMP
第8题：
Which of the following statements about internet is (are) correct?
Ⅰ.Each host in internet only has a IP address.
Ⅱ.It is possible to have multiple names corresponding to the same IP address.
Ⅲ.In users' points, Internet means a virtual network.
A．None
B．Ⅰ and Ⅱ
C．Ⅱ and Ⅲ
D．All
第9题：
A. 172.16.45.0
B. 172.16.45.4
C. 172.16.45.8
D. 172.16.45.12
E. 172.16.45.18
第10题：
A.Host-basedIPScanworkinpromiscuousmodeorinlinemode.
B.Network-basedIPScanprovideprotectiontodesktopsandserverswithouttheneedofinstalling specializedsoftwareontheendhostsandservers.
C.Network-basedIPSisbettersuitedforinspectionofSSLandTLSencrypteddataflows.
D.Host-basedIPSdeploymentrequireslessplanningthannetwork-basedIPS.