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Rutgers University Network and Internet Technology Final Exam Review Questions With Complete Solutions
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Rutgers University Network and Internet Technology Final Exam Review Questions With Complete Solutions
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Network and Internet Technology Final Exam ReviewQuestions With Complete Solutions
_____ uses 32-bit addresses and _____ uses 128-bit addresses.
Correct Answer IPv4; IPv6
A _______ is an analog device that forwards signals among (all)
computers connected to it while a ______ is a digital device that
forwards packets to specific ports only. Correct Answer hub;
switch
A _______ is an analog hardware device used to extend a LAN.
It amplifies and sends all incoming signals to the other side.
Correct Answer repeater
A bridged network is faster than a non-bridged one. Correct
Answer True
A browser can significantly reduce download time by saving
images in a _____ . Correct Answer cache
A client can access multiple services but typically contacts only
one remote server at a time. Correct Answer True
A communication mechanism with a dedicated path between
two endpoints with guaranteed isolation is called ______
______. Correct Answer circuit; switching
A maximum length specification is a fundamental part of LAN
technology. Correct Answer True
,A packet sent across a TCP/IP network is called an IP _____
consisting of two parts: the _____ followed by the _____.
Correct Answer Datagram; header; payload
A packet will be retransmitted indefinitely until it is received.
Correct Answer False
A pair of protocols in adjacent layers pass a pointer to the packet
rather than create a new copy. Correct Answer True
A router must have multiple IP addresses to "route" packets
from one network to another. Correct Answer True
A server can act as a client. Correct Answer True
A server can be defined as: Correct Answer - A computer that
has fast CPU, large memory, and powerful operating system
- A computer dedicated to running one or more server programs
- A program that waits passively for communication
An email program using SMTP requests a mail exchange (MX)
record from the DNS database. A MAC address is returned in
response. Correct Answer False
An FTP client allocates a random ______ before sending a
request to the server on a known _____. (same word for both
answers) Correct Answer port
An IP address is a ______ number assigned to a host and used
for all communication with the host. Correct Answer Binary
,An IP datagram is ______ in the payload of a ______ for
transmission. Correct Answer encapsulated; frame
Application programs must be aware of the physical network
they are using. Correct Answer False
Applications use ______ ______ _______ that are independent
of the OS to identify it as an endpoint Correct Answer
protocol; port; number
As a packet travels along a network path from router to router,
the Source and Destination MAC address change from hop to
hop but the Source and Destination IP do not. Correct Answer
True
As an IP datagram is sent over the Internet, the destination
address in the header does not change Correct Answer True
As data passes down through the protocol layers on the sending
computer, headers are: Correct Answer Added
As the Internet experienced exponential growth over the past 25
years, it changed in the following ways: Correct Answer -
Focus on new applications
- Increase in communication speeds
Because TCP provides reliable delivery, the underlying IP
internet needs to read and interpret the contents of the TCP
segments along the way. Correct Answer False
, Because the Internet tolerates heterogeneity, engineers can't
experiment with new networking technologies without
disrupting existing networks. Correct Answer False
Boiling it down to its core definition, server software consists of
a program dedicated to providing a service. Correct Answer
True
Can a computer operate multiple clients and even multiple
copies of a single application? Correct Answer Yes
Can a computer run multiple server programs? Correct Answer
Yes
Can consolidating multiple server programs on a single
computer reduce cost without significantly reducing
performance? Correct Answer Yes
Changing IPv4 to IPv6 is easy as it only requires a change to
one part of the Internet. Correct Answer False
Checksum field is optional in UDP. Correct Answer True
Complete the following Abbreviations:
SYN = ______ segment
ACK = _______
FIN = _______ segment Correct Answer - synchronization
- acknowledgement
- finish
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