Chapter 5 · MCQ Read Mode

Concept of Computer Network and Network Security System

The OSI model consists of how many layers?

The TCP/IP model condenses network functions into how many layers?

Which OSI layer corresponds to the TCP/IP model's 'Internet' layer?

A network hub operates at which layer and with what behavior?

A switch improves on a hub primarily by:

A router forwards data based on:

Optical fiber, compared to twisted pair cable, generally offers:

A bridge operates primarily at which OSI layer?

Coaxial cable, compared to twisted pair, generally provides:

Wireless transmission media are characterized by:

CRC (Cyclic Redundancy Check) is primarily used for:

Flow control at the data link layer is used to:

CSMA/CD is the medium access method used classically by:

The Address Resolution Protocol (ARP) is used to:

IEEE 802.5 defines which LAN technology?

Wireless LANs (IEEE 802.11) use which medium access method, instead of CSMA/CD?

PPP (Point-to-Point Protocol) is commonly used for:

Hamming code is an example of a technique used for:

IEEE 802.4 defines which LAN technology?

In token-passing protocols, a station is permitted to transmit only when it:

Classful IP addressing divides the address space into which classes for unicast use?

Subnetting is achieved by:

Flooding as a routing algorithm sends each incoming packet:

Distance vector routing can suffer from which well-known problem?

Link state routing, compared to distance vector routing, generally offers:

RIP (Routing Information Protocol) uses which metric for route selection?

OSPF is classified as a:

BGP (Border Gateway Protocol) is primarily used for:

ICMP is primarily used for:

A key improvement of IPv6 over IPv4 is:

TCP is best described as:

UDP is generally preferred over TCP when:

A socket is defined as the combination of:

Well-known port numbers generally fall within the range:

TCP establishes a connection using:

TCP connection release commonly uses:

Flow control at the transport layer primarily protects:

Congestion control, unlike flow control, is primarily concerned with protecting:

TCP's slow start is an algorithm used for:

De-multiplexing at the transport layer refers to:

HTTPS differs from HTTP primarily by adding:

FTP is primarily used for:

IMAP differs from POP3 in that IMAP:

DNS is primarily responsible for:

In a peer-to-peer (P2P) application, participating hosts:

Socket programming provides an API primarily for:

SNMP is used primarily for:

Wireshark is best described as a:

Cisco Packet Tracer is primarily used for:

PuTTY is commonly used as a client for:

The security property ensuring information is not altered in an unauthorized manner is called:

A passive attack, such as eavesdropping, is characterized by:

Symmetric-key cryptography uses:

In asymmetric-key cryptography, encryption is typically performed using:

The RSA algorithm's security is based on the computational difficulty of:

A digital signature is created using the sender's:

PGP is primarily used to secure:

SSL/TLS is primarily used to secure:

IPsec operates at which layer, and is commonly used to build:

WEP, as a wireless LAN security protocol, is now considered: