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WorksheetsDDC_Finals Quiz
Total questions: 25
Worksheet time: 25mins
What is the responsibility of the data link layer in computer networking?
Error detection and correction
Routing algorithms
Transport layer protocols
Application layer protocols
What is the purpose of the Ethernet frame preamble?
To synchronize receiver and sender clock rates
To indicate the higher layer protocol
To detect errors in the frame
To identify the source and destination MAC addresses
Which IEEE standard is used for wireless LAN with a range of up to 11 Mbps?
802.11g
802.11n
802.11a
802.11b
What is the main advantage of using a bridge in a LAN?
Protection against broadcast storms
Support for arbitrary topologies
Higher total max throughput
Increased reliability
What is the primary function of the Point to Point Data Link Control (PPP) protocol?
Packet framing and error detection
Flow control and data re-ordering
Multipoint link support
Network layer address negotiation
Which technology uses frequency hopping to reduce interference from other wireless devices?
IEEE 802.11g
IEEE 802.11a
Bluetooth
Asynchronous Transfer Mode
What is the main advantage of using a switch in a LAN?
Traffic isolation
Support for arbitrary topologies
Bit transparency
Cut-through switching
What is the purpose of the Address Resolution Protocol (ARP) in computer networking?
To detect errors in the frame
To resolve IP addresses to MAC addresses
To synchronize receiver and sender clock rates
To encapsulate network-layer datagrams in data link frames
Which MAC protocol is used in IEEE 802.11 for multiple access?
Polling from AP
Token passing
CSMA/CD
Collision avoidance mechanisms
What is the primary function of the IEEE 802.11 base station in a wireless network?
To communicate with wireless hosts
To organize bridges in a spanning tree
To provide protection against broadcast storms
To interconnect gadgets
What is the primary function of the Internet Control Message Protocol (ICMP) in computer networking?
To encapsulate network-layer datagrams in data link frames
To resolve IP addresses to MAC addresses
To detect errors in the frame
To provide error reporting and diagnostic functions
Which protocol is used for automatic IP address configuration in a network?
ARP
DHCP
ICMP
FTP
What is the main purpose of the Domain Name System (DNS) in computer networking?
To resolve IP addresses to MAC addresses
To provide error reporting and diagnostic functions
To translate domain names to IP addresses
To encapsulate network-layer datagrams in data link frames
What is the primary function of a router in a computer network?
To provide error reporting and diagnostic functions
To resolve IP addresses to MAC addresses
To forward data packets between computer networks
To encapsulate network-layer datagrams in data link frames
What is the main advantage of using a repeater in a network?
Support for arbitrary topologies
Higher total max throughput
Increased reliability
Signal amplification and extension of network range
Which protocol is used for secure communication over a computer network?
FTP
SSH
ICMP
SMTP
What is the primary function of the Address Resolution Protocol (ARP) in computer networking?
To detect errors in the frame
To resolve IP addresses to MAC addresses
To synchronize receiver and sender clock rates
To encapsulate network-layer datagrams in data link frames
What is the main advantage of using a hub in a network?
Support for arbitrary topologies
Higher total max throughput
Increased reliability
Signal amplification and extension of network range
What is the primary function of the Internet Protocol (IP) in computer networking?
To encapsulate network-layer datagrams in data link frames
To resolve IP addresses to MAC addresses
To detect errors in the frame
To provide error reporting and diagnostic functions
What is the primary function of a firewall in a computer network?
To provide error reporting and diagnostic functions
To resolve IP addresses to MAC addresses
To filter and control network traffic
To encapsulate network-layer datagrams in data link frames
What is the main advantage of using a router in a network?
Support for arbitrary topologies
Higher total max throughput
Increased reliability
Forwarding data packets between computer networks
What is the primary function of the Transmission Control Protocol (TCP) in computer networking?
To encapsulate network-layer datagrams in data link frames
To resolve IP addresses to MAC addresses
To detect errors in the frame
To provide reliable, ordered, and error-checked delivery of a stream of packets on the network
What is the primary function of a network switch?
To provide error reporting and diagnostic functions
To resolve IP addresses to MAC addresses
To forward data packets within a single network
To encapsulate network-layer datagrams in data link frames
What is the main advantage of using a network bridge in a LAN?
Protection against broadcast storms
Support for arbitrary topologies
Higher total max throughput
Increased reliability
What is the primary function of the Dynamic Host Configuration Protocol (DHCP) in a computer network?
To resolve IP addresses to MAC addresses
To provide error reporting and diagnostic functions
To automatically assign IP addresses to devices on the network
To encapsulate network-layer datagrams in data link frames
