Error detection and correction
Routing
Flow control
Framing
Segmentation and reassembly
Packet routing
The Internet exclusively uses wired connections.
The Internet is limited to communication within a single organization.
The Internet is a globally interconnected network of networks.
The Internet is controlled by a single centralized authority.
UDP traffic
TCP traffic
Both of the mentioned
None of the mentioned
UDP
IP
TCP
HTTP
To map a MAC address to an IP address
To route data from one network to another
To configure IP addresses dynamically
To map an IP address to a MAC address
ARP
ICMP
DHCP
RARP
Transport Layer
Presentation Layer
Session Layer
Application Layer
22
443
80
25
It decreases the efficiency of data transmission
It involves combining multiple signals into a single transmission medium
It can only be used in analog communication systems
It reduces the complexity of the network
32 bits
64 bits
128 bits
256 bits
Encryption of data
To transmit faster
To detect errors
To identify the user
Encrypting data transmissions
Blocking unauthorized access to a network
Managing cryptographic keys
Monitoring network traffic for malware
By counting the number of 1s in the data
By summing all the data bits and taking the complement
By XORing all the data bytes
By appending a fixed checksum value to the data
Combining multiple signals into a single transmission medium
Assigning different frequencies to each channel
Dividing the transmission time into fixed intervals
Utilizing different modulation techniques for each channel
Unshielded twisted pair
Optical fiber
Coaxial cable
Microwave
ACK
FIN
SYN
RST
They require a centralized server
They can be less secure than client-server networks
They are more difficult to set up
They have limited scalability
21
Software
Protocol
Hardware
None of these
Simplex
Half Duplex
Full Duplex
Double Duplex
Network layer
Data Link Layer
Transport
Physical Layer
To divide the network into subnetworks
To allocate IP addresses
To provide a default gateway
To encrypt data
IGMP
Computer Security
Information Security
Network Security
Wide Area Net
Wide Access Network
Wide Area Network
Wide Access Net
802.11
802.5
802.4
802.2
File sharing
Database management
Peer-to-peer connection
Web hosting
FTP
DNS
11 Mbps
54 Mbps
100 Mbps
600 Mbps
Industrial Software Organisation
Industrial Standards Organisation
International Software Organisation
International Standards Organisation
To increase the speed of data transmission
To reduce latency in the network
To encrypt data for secure transmission
To divide the available bandwidth into multiple channels
Router
Hub
Repeater
Switch
Filtering packets based on port numbers
Translating domain names to IP addresses
Determining the best path for forwarding packets to their destination
Establishing secure connections between hosts
Active receiver
Passive receiver
The number of bits transferred per second
The frequency of the carrier wave
The number of errors corrected per second
The speed of the modem
structure and behaviour of a computer system as observed by the developer
structure and behaviour of a computer system as observed by the user
structure of a computer system as observed by the developer
None of the above
SNMP
Multiplexer
Modem
URL
E-mail address
ICQ
Decentralized network structure
Centralized control
Requires dedicated servers
Clients rely on servers for resources
The amount of data that can be transmitted in a fixed amount of time
The time taken to send a message from one point to another
The speed at which the data packets are received
The delay between data transmission and reception
Time-To-Live (TTL)
Destination Address
Source Address
Checksum
Data link control
End-to-end communication and error recovery
Network addressing
Physical
Network
Data Link
Bandwidth
Latency
Packet size
All of the above
Faster data transmission
Easier network management
Reduced cost of hardware
Larger bandwidth allocation