ARP
ICMP
DHCP
RARP
Simplex
Half Duplex
Full Duplex
Double Duplex
Denial-of-Service (DoS)
Phishing
Spoofing
SQL injection
Filtering
Encoding
Switching
None of the mentioned
Active receiver
Passive receiver
Both of the mentioned
Complex Instruction Set Computer
Computer Integrated Sequential Compiler
Complex Instruction Sequential Compilation
Complete Instruction Sequential Compilation
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
Computer Security
Information Security
Network Security
None of these
Physical layer
Data Link layer
Transport layer
Application layer
10Mbps
20Mbps
30Mbps
40Mbps
Secure/ MIME
Web Service Security
FIPS
Secure Sockets Layer
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
Internet
Botnet
Telnet
D-net
Host to host
Application
Network Access
Bus
Tree
Mesh
Star
Collision Detection and Retransmission (CDR)
Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
Token passing mechanism
Packet switching
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
121.12.12.248
130.12.12.248
128.12.12.248
129.12.12.248
transpositional ciphers
substitution ciphers
both (a) and (b)
none of the mentioned
High level of security
Scalability limitations
Ease of setup and maintenance
Centralized control over resources
The total number of packets sent over the network
The amount of data loss during transmission
The signal strength between two nodes
The amount of time data spends in transit
Application Layer
Network layer
Data Link Layer
Transport
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
0.0.0.0
127.0.0.1
255.255.255.255
0.255.255.255
The Internet and WWW are the same thing.
WWW is a regional subset of the Internet.
The Internet is a collection of websites, while WWW is the technology that enables data transfer over the Internet.
The Internet is a global network infrastructure, while WWW is a system of interlinked hypertext documents accessed via the Internet.
Transport Layer
Presentation Layer
Session Layer
Domain Name System
Data Network Service
Digital Networking Server
Dynamic Naming Service
32 bits
64 bits
128 bits
256 bits
UDP traffic
TCP traffic
Latch
Shift register
Memory extension
Cache
2.4Gbps
5Gbps
2.4GHz
5GHz
To indicate the start of a data frame
To provide redundancy for error correction
To detect errors in transmitted data
To ensure the confidentiality of the data
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
Dual Host
TCP
OSI
proxy
Firewall
Gateway
Router
Virus checker
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
443
80
53
25
FTP
HTTP
DNS
UDP
Sender
Receiver
Sender and Receiver
None of the these
To identify the physical location of a device on the network
To establish a connection between two devices on the network
To uniquely identify network interfaces
To encrypt data for secure transmission
MX record
CNAME record
A record
PTR record
Flow control
Error detection and correction
Segmentation and reassembly
Packet routing
Wired environment
WiFi
Ethernet LAN
All of the mentioned
To divide the network into subnetworks
To allocate IP addresses
To provide a default gateway
To encrypt data
Higher data transfer rates
Reduced susceptibility to noise
Greater compatibility with modern devices
Lower power consumption
IP/Netmask
IP/Subnet
IP/Router
IP/DNS
SMTP
SNMP
Unshielded twisted pair
Optical fiber
Coaxial cable
Microwave
It specifies the total length of the TCP segment
It indicates the length of the TCP header in 32-bit words
It denotes the maximum segment size that can be transmitted
It identifies the TCP version being used
Hub
Repeater
Switch