Physical layer
Data Link layer
Transport layer
Application layer
22
443
80
25
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
Phishing
Denial-of-service attack
SQL injection
Man-in-the-middle attack
Ring
Local Area
Hierarchical
Star
Software
Protocol
Hardware
None of these
Encrypting data transmissions
Blocking unauthorized access to a network
Managing cryptographic keys
Monitoring network traffic for malware
WEP
WPA
WEP2
WPA2
255.0.0.0
255.255.255.0
255.255.0.0
255.255.255.255
Faster data transmission
Easier network management
Reduced cost of hardware
Larger bandwidth allocation
ARP
ICMP
DHCP
RARP
300.200.100.50
192.168.1.1
10.0.0.1
Password
Combined Approach
Public-Key
L=n*5
L=n-2
L=n-1
L=n*8
Wi-Fi Protected Access
Wireless Protected Access
Wired Protected Access
Wireless Private Access
2.4Gbps
5Gbps
2.4GHz
5GHz
32 bits
64 bits
128 bits
256 bits
Translating IP addresses to domain names
Converting domain names to IP addresses
Assigning IP addresses to devices
Storing user passwords
To map an IP address to a MAC address
To map a MAC address to an IP address
To route data from one network to another
To configure IP addresses dynamically
68000
ASUS firebird
IA-32
ARM
Internet
Botnet
Telnet
D-net
To identify the data rate of the network
To encrypt the wireless data
To control access to the router
To uniquely identify a wireless network
URL
E-mail address
ICQ
Latch
Shift register
Memory extension
Cache
10Mbps
20Mbps
30Mbps
40Mbps
Ethernet
IP
HTTP
TCP
Dual Host
OSI
proxy
Checksum
Hashing
Encryption
Hamming Code
11 Mbps
54 Mbps
100 Mbps
600 Mbps
10BASE-T
100BASE-TX
1000BASE-T
10GBASE-T
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
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
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
Bandwidth
Latency
Packet size
All of the above
Physical Layer
Data Link Layer
Transport Layer
Presentation 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
High level of security
Scalability limitations
Ease of setup and maintenance
Centralized control over resources
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
121.12.12.248
130.12.12.248
128.12.12.248
129.12.12.248
Denial-of-Service (DoS)
Spoofing
Wired environment
WiFi
Ethernet LAN
All of the mentioned
Bandwidth is always higher than throughput
Bandwidth and throughput are the same
Bandwidth defines the theoretical maximum data rate, while throughput is the actual data rate achieved
Throughput is always higher than bandwidth
Complex Instruction Set Computer
Computer Integrated Sequential Compiler
Complex Instruction Sequential Compilation
Complete Instruction Sequential Compilation
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
Secure/ MIME
Web Service Security
FIPS
Secure Sockets Layer
FTP
DNS
UDP
transpositional ciphers
substitution ciphers
both (a) and (b)
none of the mentioned
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