Computer Networking (Sample MCQ)

State the ‘Network Topology’ that connects all cables to a central point.

• Bus Topology

• Star Topology

• Ring Topology

• Mesh Topology

Fibre-Optic cables belong to the category of

• Optical Media

• Copper Media

• Wireless Media

• Magnetic Media

A ‘Media Access Control’ (MAC) Address is a hexadecimal address which consist of

• 6 characters

• 12 characters

• 24 characters

• 48 characters

Which of the following is a disadvantage of a ‘Peer-to-Peer’ computer network?

• Does not scale well.

• Difficult to install and operate.

• Needs dedicated administrator.

• Needs additional equipment besides suitable Operating System.

A 'Network Switch' functions to _____.

• connect two segments of a network cable.

• connect multiple network segments at the 'Data Link' layer.

• forward data packets along networks using their Logical Address.

• filters and forwards packets between LAN segments using MAC Address.

What type of technology is used in radio-based WLANs to mitigate the effects of radio interference?

• Encryption.

• Integrity Check.

• Spread Spectrum.

• Medium Access Control.

How does a DHCP Server assign IP Addresses to Hosts?

• Addresses are allocated after a negotiation between Server and Host.

• Addresses are permanently assigned to Hosts, and they use the same address at all times.

• Addresses are assigned for a fixed period of time, and a new request for a new address must be made at the end of this fixed period.

• Addresses are leased to Hosts, and they will usually keep the same address by periodically contacting the DHCP Server to renew the lease.

Which 'IEEE 802.11' Architecture would you use to set up and provide instant wireless connectivity?

• Basic Service Set (BSS)

• Multiple Service Set (MSD)

• Extended Service Set (ESS)

• Independent Basic Service Set (IBSS)

Given that the IP Address of a device is '190.20.1.5' and the default subnet mask is used, determine its Network ID.

• 0.0.1.0

• 0.0.1.5

• 190.0.0.0

• 190.20.0.0

When the same key is used for Encryption and Decryption, this is known as

• Static Key Encryption.

• Symmetric Encryption.

• Asymmetric Encryption.

• Dynamic Key Encryption.