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Computer Networking Comprehensive Exam Study Guide, Study notes of Topology

Saad College of Nursing and Allied Health Sciences (SCNAHS)Topology

The CECS Master of Science Comprehensive Exam in Computer Networking is designed ... Computer Networking: A Top Down Approach Featuring the Internet (6th.

Typology: Study notes

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Computer Networking Comprehensive Exam
Study Guide
The CECS Master of Science Comprehensive Exam in Computer Networking is designed
to test fundamental knowledge of the field of Computer Networking. Test questions
will focus on major themes and concepts. The topics covered will include both
undergraduate and graduate level material. Questions asked will focus on high-
level concepts rather than picky details. Questions will be designed to determine
the scope and depth of your understanding, not your ability to memorize minutia.
For example, a question would be more likely to read, “What information must be
included in the header field when a packet is transmitted across a packet-switched
network? Why is each type of information necessary?” rather than “Draw and label
the format of an Ethernet packet.”
Two hours are allotted for the exam. You are strongly encouraged to thoroughly
prepare for the test. You should carefully read each question before answering,
and answer clearly and concisely. Be sure your handwriting is legible. You should
bring multiple pencils and a non-programmable calculator to the exam. Cell phones
will not be allowed.
The exam will be composed of the following three sections:
I. DEFINING NETWORK TERMINOLOGY (20 POINTS)
In this section, you will be asked to define ten general networking terms or
concepts. You should define each term precisely and concisely in 1-2
sentences. You are being asked to clearly define the terms, not write an
essay on them. The terms or concepts will be taken from the following list:
APPLICATION GATEWAY
ARP
ASYMMETRIC
ASYNCHRONOUS
ATM
ATTENUATION
BANDWIDTH
bps
BRIDGE
BURSTY TRAFFIC
CAPACITY OF A LINK
COAXIAL CABLE
CONGESTION
CONNECTION-ORIENTED
CONNECTIONLESS
CRC
DATAGRAM
DECRYPTION
DHCP
DISTORTION
DISTRIBUTED
DNS
EFFECTIVE THROUGHPUT
ENCAPSULATION
ENCODING
ENCRYPTION
END-TO-END
ERROR CORRECTING
ERROR DETECTING
FDM
FIBER
FIREWALL
FLOW CONTROL
FORWARDING
FRAME
GEO SATELLITE
GUIDED MEDIA
HANDSHAKING
HTTP
HTTPS
ICMP
IMAP
IN-BAND
INFRARED
IP
IP DATAGRAM
IPv4
IPv4 ADDRESS
IPv6
LAN
LATENCY
LEO SATELLITE
LINK-TO-LINK
MAC ADDRESS
MEDIA
MODEM
MTU
MULTIPLEXING
NAT
NIC
OSI MODEL
PAN
PEERING FOR ISPs
PEER PROTOCOLS
PING
POP
PORT
PROCESSING DELAY
PROPAGATION DELAY
PROTOCOL
PROTOCOL LAYER
QoS
QUEUEING DELAY
REAL-TIME TRAFFIC
REASSEMBLY
REPEATER
RJ-45 CONNECTOR
ROUTER
ROUTING ALGORITHMS
RTT
SEGMENTATION
SINE WAVE
SLIDING WINDOW
SMTP
SOCKET
SYMMETRIC
SYNCHRONOUS
TCP
TDM
THROUGHPUT
TOPOLOGY
TRACEROUTE
TRANSMISSION DELAY
TUNNELING
TWISTED PAIR
UDP
UNGUIDED MEDIA
VIRTUAL CIRCUIT
VoIP
WAN
pf3

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Computer Networking Comprehensive Exam

Study Guide

The CECS Master of Science Comprehensive Exam in Computer Networking is designed to test fundamental knowledge of the field of Computer Networking. Test questions will focus on major themes and concepts. The topics covered will include both undergraduate and graduate level material. Questions asked will focus on high- level concepts rather than picky details. Questions will be designed to determine the scope and depth of your understanding, not your ability to memorize minutia. For example, a question would be more likely to read, “What information must be included in the header field when a packet is transmitted across a packet-switched network? Why is each type of information necessary?” rather than “Draw and label the format of an Ethernet packet.” Two hours are allotted for the exam. You are strongly encouraged to thoroughly prepare for the test. You should carefully read each question before answering, and answer clearly and concisely. Be sure your handwriting is legible. You should bring multiple pencils and a non-programmable calculator to the exam. Cell phones will not be allowed. The exam will be composed of the following three sections: I. DEFINING NETWORK TERMINOLOGY (20 POINTS) In this section, you will be asked to define ten general networking terms or concepts. You should define each term precisely and concisely in 1 - 2 sentences. You are being asked to clearly define the terms, not write an essay on them. The terms or concepts will be taken from the following list: APPLICATION GATEWAY ARP ASYMMETRIC ASYNCHRONOUS ATM ATTENUATION BANDWIDTH bps BRIDGE BURSTY TRAFFIC CAPACITY OF A LINK COAXIAL CABLE CONGESTION CONNECTION-ORIENTED CONNECTIONLESS CRC DATAGRAM DECRYPTION DHCP DISTORTION DISTRIBUTED DNS EFFECTIVE THROUGHPUT ENCAPSULATION ENCODING ENCRYPTION END-TO-END ERROR CORRECTING ERROR DETECTING FDM FIBER FIREWALL FLOW CONTROL FORWARDING FRAME GEO SATELLITE GUIDED MEDIA HANDSHAKING HTTP HTTPS ICMP IMAP IN-BAND INFRARED IP IP DATAGRAM IPv 4 IPv 4 ADDRESS IPv 6 LAN LATENCY LEO SATELLITE LINK-TO-LINK MAC ADDRESS MEDIA MODEM MTU MULTIPLEXING NAT NIC OSI MODEL PAN PEERING FOR ISPs PEER PROTOCOLS PING POP PORT PROCESSING DELAY PROPAGATION DELAY PROTOCOL PROTOCOL LAYER QoS QUEUEING DELAY REAL-TIME TRAFFIC REASSEMBLY REPEATER RJ- 45 CONNECTOR ROUTER ROUTING ALGORITHMS RTT SEGMENTATION SINE WAVE SLIDING WINDOW SMTP SOCKET SYMMETRIC SYNCHRONOUS TCP TDM THROUGHPUT TOPOLOGY TRACEROUTE TRANSMISSION DELAY TUNNELING TWISTED PAIR UDP UNGUIDED MEDIA VIRTUAL CIRCUIT VoIP WAN

II. NETWORK PERFORMANCE EVALUATION (20 POINTS)

In this section, you will asked to calculate the performance of a given network. You will be provided with all of the information needed to perform the calculation. The network you are analyzing could be packet-switched, circuit-switched, or use time division multiplexing. You should be able to use the following simple concepts to determine the specified network performance:

  • Calculation of propagation delay
  • Calculation of transmit time of packet
  • Packetization of data (creating packets and packetization delay)
  • Queueing delays at routers and switches
  • Processing delay
  • Store-and-Forward delays for packet networks (queueing + processing)
  • TDM slots and delays
  • One-way Latency versus RTT
  • Call set-up/tear-down in Packet-Switched Networks III. GENERAL NETWORK CONCEPTS AND THEMES (60 POINTS) In this section, you will be asked to answer six out of eight possible questions. Each question will have multiple parts. Part of your task in this section will be selecting which six questions you wish to have graded. The questions asked will be taken from one of the following fundamental areas of Computer Networking: Networking Theory and Design
  • TCP/IP versus OSI Protocol Stack
  • IPv4 versus IPv
  • Client/Server versus Peer-to-Peer Paradigms
  • Quality of Service Concerns
  • End-to-End versus Link-to-Link Strategies
  • Internet Infrastructure and Organization
  • Repeaters/Bridges/Routers
  • Packet- vs. Circuit-Switching Physical Layer
  • Transmission Media
  • Analog versus Digital Transmission
  • Encoding
  • Bandwidth, propagation delay, etc. Data Link Layer
  • MAC Protocols
  • Error detection/correction
  • Framing
  • Multiplexing
  • NICs
  • ARP Network Layer
  • IP
  • IP Datagrams
  • Subnetting and Subnet Masks
  • Fragmentation and Reassembly
  • Routing Algorithms
  • Forwarding
  • DHCP, NAT, and CIDR
  • ICMP
  • Tunneling