單項選擇題Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?()

A. VTP
B. ISL
C. 802.1Q
D. STP
E. None of the above


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1.多項選擇題Which fields are included in the TCP header?()

A. Source Port
B. Acknowledgement Number
C. Request Number
D. Destination Address
E. Window
F. Data

3.單項選擇題Which of the following protocols use both TCP and UDP ports?()

A. FTP
B. SMTP
C. Telnet
D. DNS
E. All of the above

4.多項選擇題What statements are true regarding ICMP packets?()

A. They acknowledge receipt of TCP segments.
B. They guarantee datagram delivery.
C. They can provide hosts with information about network problems.
D. They are encapsulated within IP datagrams.
E. They are encapsulated within UDP datagrams.

5.多項選擇題Which three address ranges are used for internal private address blocks as defined by RFC 1918?()

A. 0.0.0.0 to 255.255.255
B. 10.0.0.0 to 10.255.255.255
C. 172.16.0.0 to 172.16.255.255
D. 172.16.0.0 to 172.31.255.255
E. 127.0.0.0. to 127.255.255.255
F. 192.168.0.0 to 192.168.255.255
G. 224.0.0.0 to 239.255.255.255

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

題型:多項選擇題

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?()

題型:單項選擇題

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.()

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Which characteristics are representative of a link-state routing protocol?()

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Which command is used to display the placement and direction of an IP access control list on a router?()

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

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

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

題型:多項選擇題

The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? ()

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Which of the following host addresses are member of networks that can be routed across the public Internet? ()

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