更多"In any NAT (network address transla"的相关试题:
[单项选择]所谓的NAT（Network Address Translation）技术，就是指在一个网络内部，根据需要不经申请自定义（）。
A. IP地址
B. 物理地址
C. 网络层
D. 数据链路层
[单项选择]Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?（）
A. NAS
B. Firewall
C. Hub
D. Bridge
[单项选择]A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?（）
A. 201.57.78.33
B. 201.57.78.64
C. 201.57.78.97
D. 201.56.78.97
E. 201.57.78.159
F. 201.57.78.254
[单项选择]What is the network address for a host with the IP address 201.100.5.68/28?（）
A. 201.100.5.0
B. 201.100.5.32
C. 201.100.5.64
D. 201.100.5.65
E. 201.100.5.31
F. 201.100.5.1
[单项选择]What is the network address for the 10.13.147.100/19 host?（）
A. 10.13.128.0
B. 10.13.147.0
C. 10.13.0.0
D. 10.13.100.0
[单项选择] A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）
A. The host needs to open the telnet port.
B. The host needs a route for the translated address.
C. The administrator must use a proxy-arp policy for the translated address.
D. The administrator must use a security policy, which will allow communication between the zones.
[单项选择]A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）
A. The wrong cable type has been used.
B. . IDS has shut down the computer's switch port.
C. The port on the switch is configured incorrectly
D. Spanning tree protocol was implemented.
[单项选择]The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?（）
A. 8
B. 6
C. 30
D. 32
E. 14
F. 16
[单项选择]In a point-to point network, which address are OSPF hello packets sent to?（）
A. 127.0.0.1
B. 192.168.0.5
C. 223.0.0.1
D. 172.16.0.1
E. 224.0.0.5
F. 254.255.255.255.255
[单项选择]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?（）
A. 255.255.0.0
B. 255.255.224.0
C. 255.255.254.0
D. 255.255.255.0
E. 255.255.255.224
[单项选择]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?（）
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
[单项选择]Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask wouldyou use?（）
A. 255.255.0.0.
B. 255.255.128.0.
C. 255.255.224.0.
D. 255.255.254.0.
[单项选择]广电NAT和三大运营商NAT有什么区别（）？
A. A广电一般都是多出口，选路和NAT需要同时考虑
B. 广电的WLAN需要单独部署NAT，运营商不区分业务
C. 广电不需要NAT，三大运营商都需要部署NAT
D. 广电和三大运营商NAT没有区别
[单项选择]运营商级NAT（NAT444）的主要功能是（）。
A. 提供安全保障
B. 提供IPv4到IPv4的地址转换
C. 提供IPv4到IPv6的协议转换
D. 提供IPv6到IPv6的转换
[单项选择]运营商级NAT（NAT444）主要部署方式有（）。
A. 集中式和分布式
B. 分布式和串接式
C. 集中式和串接式
D. 分布式和插卡式
[单项选择]NAT是（）。
A. 一种特殊的网络
B. 内部网
C. 一种加密技术
D. 网络地址转换技术
