#1
What does DHCP stand for in the context of networking?
Dynamic Host Configuration Protocol
ExplanationProtocol for automatic IP address assignment to devices on a network.
#2
Which of the following is a function of a router in a network infrastructure?
It connects different networks together
ExplanationConnects networks and forwards data between them.
#3
What does RAID stand for in the context of data storage?
Redundant Array of Independent Disks
ExplanationTechnique for combining multiple disks for redundancy and performance.
#4
What is the purpose of a firewall in a network infrastructure?
To block unauthorized access and control traffic
ExplanationControls incoming and outgoing network traffic based on predetermined security rules.
#5
Which device is used to connect multiple network segments together?
Switch
ExplanationForwards data between devices on the same network.
#6
Which of the following is NOT a type of network topology?
Linear
ExplanationNot a recognized network arrangement.
#7
Which of the following is NOT a type of network cable?
USB
ExplanationNot a standard network cable type.
#8
What is the purpose of NAT (Network Address Translation) in networking?
To translate private IP addresses to public IP addresses
ExplanationTranslates private IPs to public IPs for internet communication.
#9
In the OSI model, which layer is responsible for logical addressing and routing?
Network Layer
ExplanationHandles logical addressing and routing of data.
#10
What is the purpose of a subnet mask in networking?
To identify the network portion of an IP address
ExplanationDetermines network and host portions of an IP address.
#11
Which protocol is commonly used for secure communication over a network?
SSH
ExplanationProvides encrypted, secure remote access to systems.
#12
What is the purpose of a MAC address in networking?
To uniquely identify a device on a network
ExplanationGlobally unique identifier assigned to network interfaces.
#13
What is the role of a DNS server in networking?
To translate domain names into IP addresses
ExplanationResolves domain names to IP addresses for network communication.
#14
Which of the following is an advantage of using a fiber optic cable for network communication?
It can transmit data over long distances
ExplanationSupports high-speed, long-distance data transmission.
#15
What is VLAN (Virtual Local Area Network) used for in network infrastructure?
To create multiple logical networks within a single physical network
ExplanationDivides a network logically to isolate traffic.
#16
What is a DMZ (Demilitarized Zone) in the context of network security?
A zone that separates the internal network from an external network
ExplanationNetwork segment between internal and external networks for added security.
#17
What is a broadcast storm in networking?
A network condition where broadcast packets flood the network, causing performance issues
ExplanationExcessive broadcast traffic causing network congestion and performance degradation.