#1
Which of the following components is responsible for storing data permanently in a computer system?
Hard Disk Drive (HDD)
ExplanationHDD stores data permanently in a computer.
#2
What does the 'IP' in 'IP address' stand for?
Internet Protocol
ExplanationIP stands for Internet Protocol in 'IP address'.
#3
What does BIOS stand for in the context of computer hardware?
Basic Input/Output System
ExplanationBIOS stands for Basic Input/Output System in computer hardware.
#4
Which of the following networking devices is used to connect multiple computers within the same local area network (LAN)?
Switch
ExplanationA Switch connects multiple computers in a LAN.
#5
What is the purpose of a DHCP server in a network?
To assign IP addresses to devices automatically
ExplanationDHCP server assigns IP addresses automatically in a network.
#6
Which type of cable is commonly used to connect a computer to a router or switch in a wired network?
Ethernet cable
ExplanationEthernet cable connects a computer to a router or switch in a wired network.
#7
Which of the following is a common symptom of a failing power supply unit (PSU) in a computer?
Random restarts
ExplanationRandom restarts are a common symptom of a failing PSU.
#8
What does the term 'ping' refer to in networking?
Sending data packets to a specific destination and measuring the time taken for a response
ExplanationPing is measuring response time by sending data packets.
#9
In the OSI model, which layer is responsible for establishing, maintaining, and terminating connections between applications?
Transport Layer
ExplanationTransport Layer handles connections in the OSI model.
#10
What is the purpose of a subnet mask in networking?
To identify the network portion of an IP address
ExplanationSubnet mask identifies the network part of an IP address.
#11
What is a common cause of the '404 Not Found' error in web browsing?
Incorrect URL entered
Explanation'404 Not Found' error is caused by an incorrect URL.
#12
Which of the following commands is used to check the connectivity between two hosts in a network?
ping
Explanation'ping' command checks connectivity between two hosts.
#13
Which of the following TCP/IP protocols is used for email delivery?
SMTP
ExplanationSMTP is the TCP/IP protocol for email delivery.
#14
Which of the following RAID levels provides both data striping and mirroring for fault tolerance?
RAID 10
ExplanationRAID 10 provides data striping and mirroring for fault tolerance.
#15
What does 'SSD' stand for in the context of computer hardware?
Solid State Drive
Explanation'SSD' stands for Solid State Drive in computer hardware.
#16
What is a 'ping flood' attack in the context of computer networks?
An attack that floods a network with ICMP echo request packets
Explanation'Ping flood' is an attack flooding a network with ICMP echo requests.
#17
What is the purpose of a MAC address in networking?
To identify devices within a local network
ExplanationMAC address identifies devices within a local network.