WorksheetsChuong 5-6 mmt
Total questions: 54
Worksheet time: 27mins
Which of the following storages may have an associative access method?
Main memory
Cache
Disks
Virtual memory
What is the purpose of the TCP sliding window?
to ensure that segments arrive in order at the destination
to request that a source decrease the rate at which it transmits data
to inform a source to retransmit data from a specific point forward
to end communication when data transmission is complete
A client packet is received by a server. The packet has a destination port number of 53. What service is the client requesting?
SSH
FTP
Telnet
DNS
Transport layer aggregates data from different applications into a single stream before passing it to ________ :
Network layer
Data link layer
Application layer
Physical layer
Which of the following are transport layer protocols used in networking?
TCP and FTP
UDP and HTTP
TCP and UDP
HTTP and FTP
Which of the following is a transport layer protocol?
Stream control transmission protocol
Internet control message protocol
Neighbor discovery protocol
Dynamic host configuration protocol
Transport layer protocols deal with _________:
Application to application communication
Process to process communication
Node to node communication
Man to man communication
A _____ is a TCP name for a transport service access point.
Port
Pipe
Node
Protocol
An endpoint of an inter-process communication flow across a computer network is called __________
Socket
Pipe
Port
Machine
At the transport layer, TCP/IP defines:
Transmission Control Protocol
User Datagram Protocol
Stream Control Transmission Protocol
All of above
In the transport layer, a message is normally divided into transmittable
Segments
Signals
Networks
Frames
User datagram protocol is called connectionless because __________ :
All UDP packets are treated independently by transport layer
It sends data as a stream of related packets
It is received in the same order as the sent order
It sends data very quickly
In the OSI model, what layer is the transport layer:
Layer 7
Layer 1
Layer 3
Layer 4
What is the main function of the Transport layer?
Provide encryption
Provide end to end delivery
Send data physically
Data formatting
Which protocol is used the most in the transport layer?
UDP
TCP
FTP
PPP
Which two are protocols that belong in the OSI application layer?
PNG
DNS
SMTP
QuickTime
Which peer-to-peer application allows users to share pieces of many files with each other at the same time?
Hybrid
Gnutella
BitTorrent
DHCP clients send a DHCP request message to available DHCP servers.
True
False
What does FTP stand for?
File Transfer Protocol
Fol
time?
Hybrid
Gnutella
BitTorrent
DHCP clients send a DHCP request message to available DHCP servers.
True
False
What does FTP stand for?
File Transfer Protocol
Folder Transfer Protocol
Protocol Transfer Program
Protocol Transfer Folder
Which application belongs to the Client/Server type?
WinWord
WWW (World Wide Web)
Excel
Photoshop
Which is not an application layer protocol?
HTTP
SMTP
FTP
TCP
The packet of information at the application layer is called __________
Packet
Message
Segment
Frame
Which one of the following is an architecture paradigms?
Peer to peer
Client-server
HTTP
Both Peer-to-Peer & Client-Server
Application developer has permission to decide the following on transport layer side
Transport layer protocol
Maximum buffer size
Both Transport layer protocol and Maximum buffer size
None of the mentioned
Application layer offers _______ service.
End to end
Process to process
Both End to end and Process to process
None of the mentioned
E-mail is a(an) _________
Loss-tolerant application
Bandwidth-sensitive application
Elastic application
None of the mentioned
Pick the odd one out.
File transfer
File download
Interactive games
Which of the following is an application layer service?
Network virtual terminal
File transfer, access, and management
Mail service
All of the mentioned
To deliver a message to the correct application program running on a host, the _______ address must be consulted.
IP
MAC
Port
None of the mentioned
Which is a time-sensitive service?
File transfer
File download
Internet telephony
Transport services available to applications in one or another form _________
Reliable data transfer
Timing
Security
All of the mentioned
Electronic mail uses which Application layer protocol?
SMTP
HTTP
FTP
SIP
Application layer protocol defines ____________
Types of messages exchanged
Message format, syntax and semantics
Rules for when and how processes send and respond to messages
All of the mentioned
When displaying a web page, the application layer uses the _____________
HTTP protocol
FTP protocol
SMTP protocol
TCP protocol
Which protocol is a signaling communication protocol used for controlling multimedia communication sessions?
session initiation protocol
session modelling protocol
session maintenance protocol
resource reservation protocol
Which one of the following is an internet standard protocol for managing devices on IP network?
dynamic host configuration protocol
simple network management protocol
internet message access protocol
media gateway protocol
The ____ translates internet domain and host names to IP address.
domain name system
routing information protocol
network time protocol
internet relay chat
Which one of the following allows a user at one site to establish a connection to another site and then pass keystrokes from local host to remote host?
HTTP
FTP
Telnet
None of the mentioned
The ASCII encoding of binary data is called:
base 64 encoding
base 32 encoding
base 16 encoding
base 8 encoding
Which one of the following protocol delivers/stores mail to receiver server?
simple mail transfer protocol
post office protocol
internet mail access protocol
hypertext transfer protocol
Which one of the following is not correct?
Application layer protocols are used by both source and destination devices during a communication session
HTTP is a session layer protocol
TCP is an application layer protocol
All of the mentioned
What is the aim of an IP address?
To uniquely identify a point on a network to allow packets to be sent to the correct destination
To uniquely identify every device, so that communication between devices can be achieved
To generally identify an end-point in a network to support communication and packet routing
To identify a sub-set of end points, devices or network components during any given communication
What service is provided by HTTP?
An application that allows real-time chatting among remote users.
Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.
Allows for data transfers between a client and a file server.
A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.
A client packet is received by a server. The packet has a destination port number of 67. What service is the client requesting?
Telnet
FTP
SSH
DHCP
Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?
file
web
DNS
What service is provided by HTTPS?
Allows remote access to network devices and servers.
Resolves domain names, such as cisco.com, into IP addresses.
Uses encryption to provide secure remote access to network devices and servers.
Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.
Which of following protocol is HTTP built upon?
TCP
UDP
IP
ICMP
What was the concern of the telephone system that motivated the ARPANET design?
Vulnerability
Scalability
Efficiency
None of the mentioned
Which of the following is an application layer protocol?
DNS
HTTP
UDP
TCP
Bluetooth is an example of _____
Local Area Network
Personal Area Network
Wide Area Network
Metropolitan Area Network
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are _____
Added
Rearranged
Removed
Modified
