327 Midterm Prep
(T or F) At layer 2, routers are the interconnection devices most commonly used between LANs.
False
(T or F) At layer 3, switches are the interconnection devices most commonly used between LANs.
False
(T or F) Encapsulation is the process of capturing and reading data as it travels across the internet.
False
(T or F) In circuit switching, no set-up control message is needed.
False
(T or F) Round-trip-time is the amount of time it takes for a single bit to propagate from the source destination.
False
Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong? A) 172.32.65.0 B) 172.32.65.32 C) 172.32.0.0 D) 172.32.32.0
Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong? C) 172.32.0.0 prefix: suffix: Type of Addrs: Purpose: network all-0s Network Identifies a network
Network collision occurs: A) In case of traffic overloading. B) When a system terminates. C) When a switch sends broadcast message D) When two devices send a data at the same time. E) None of the mentioned
Network collision occurs: D) When two devices send a data at the same time
(T or F) A host machine is a network node that runs a user application.
True
(T or F) Ethernet frames have two IP addresses stored in the header field.
True
(T or F) For a network with no overhead: throughput = effective throughput
True
(T or F) The internet is a packet-switched network.
True
(T or F) Tracert is a tool that can be used to determine the number of hops to a destination and the round trip time(RTT) for each hop.
True
Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? A) Switch B) Router C) NIC D) Hub E) Repeater
Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? D) Hub E) Repeater
Which one of the binary number ranges shown below corresponds to the value of the first octet in Class B address range? A) 10000000-11101111 B) 11000000-11101111 C) 10000000-10111111 D) 10000000-11111111 E) 11000000-10111111
Which one of the binary number ranges shown below corresponds to the value of the first octet in Class B address range? C) 10000000-10111111 --> 128-191
All of the following problems can be caused by network hardware malfunctions and must be handled by network protocols, EXCEPT: A) Bits can be corrupted or destroyed. B) Users can send the wrong data. C) Entire packets can be lost. D) Packets can be duplicated. E) Packets can be delivered out of order. F) None of the above.
All of the following problems can be caused by network hardware malfunctions and must be handled by network protocols, EXCEPT: B) Users can send the wrong data.
An IP network address has been subnetted so that every subnetwork has 14 usable host IP addresses. What is the appropriate subnet mask for the newly created subnetwork? A) 255.255.255.128 B) 255.255.255.224 C) 255.255.255.240 D) 255.255.255.248 E) 255.255.255.252
An IP network address has been subnetted so that every subnetwork has 14 usable host IP addresses. What is the appropriate subnet mask for the newly created subnetwork? C) 255.255.255.240
