單項(xiàng)選擇題You have a single Class C IP address and a point-to-point serial link that you want to implement VLSM on. Which subnet mask is the most efficient?（）

A. 255.255.255.0
B. 255.255.255.240
C. 255.255.255.248
D. 255.255.255.252
E. 255.255.255.254


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?（）

A. Deleting unusable addresses through the creation of many subnets.
B. Combining routes to multiple networks into one supernet.
C. Reclaiming unused space by means of changing the subnet size.
D. Calculating the available host addresses in the AS.



2.單項(xiàng)選擇題Which one of the following varieties of NAT utilizes different ports to map multiple IP addresses to a single globally registered IP address?（）

A. Static NAT
B. Port loading
C. NAT Overloading
D. Dynamic NAT
E. None of the above

3.單項(xiàng)選擇題A TestKing PC has the IP address 172.16.209.10 /22. What is the subnet of this address?（）

A.172.16.42.0
B.172.16.107.0
C.172.16.208.0
D.172.16.252.0
E.172.16.254.0


5.單項(xiàng)選擇題How many usable IP addresses can you get from a conventional Class C address?（）

A.128
B.192
C.254
D.256
E.510

最新試題

The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?（）

題型：?jiǎn)雾?xiàng)選擇題

Which of the following statements regarding routed and routing protocols are true?（）

題型：多項(xiàng)選擇題

Which of the following correctly describe steps in the OSI data encapsulation process?（）

題型：多項(xiàng)選擇題

A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）

題型：多項(xiàng)選擇題

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

題型：?jiǎn)雾?xiàng)選擇題

Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. （）

題型：多項(xiàng)選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

題型：多項(xiàng)選擇題

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）

題型：多項(xiàng)選擇題

Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?（）

題型：?jiǎn)雾?xiàng)選擇題

What is the subnetwork address for a host with IP address 201.100.5.68/28?（）

題型：?jiǎn)雾?xiàng)選擇題