Networking Fundamentals Quiz

Which layer of the OSI model is responsible for adding encryption on the sender's end and decoding the encryption on the receiver's end?

• Transport Layer

• Network Layer

• Presentation Layer

• Physical Layer

What is the primary media through which data is transferred between computers, routers, switches, and other network-based devices?

• Wireless

• Fiber-optic cabling

• Coaxial cabling

• Twisted-pair cabling

Which type of UTP cable is capable of transmitting data at speeds up to 1000 Mbps (1 gigabit per second [Gbps])?

• Category 3

• Category 6

• Category 5

• Category 5e

What is the term used for taking a packet from one device and sending it through the network to another network?

• Switching

• Routing

• Forwarding

• Bridging

Which dynamic routing protocol uses hop count as a routing metric to find the best path between the source and the destination network?

• EIGRP

• OSPF

• BGP

• RIP

What is the administrative distance of OSPF routes by default?

• 90

• 100

• 120

• 110

Which routing protocol is a unique Cisco innovation that merges the features of distance vector routing and link-state routing protocol?

• BGP

• OSPF

• EIGRP

• RIP

What is the primary purpose of the network address in a subnet?

• To provide a unique identity to each device in the network

• To send broadcasting messages within a subnet

• To make decisions on how to forward packets between different networks

• To find the destination by using logical addresses

Which layer of the OSI model is responsible for opening and closing communication between two devices?

• Data Link Layer

• Network Layer

• Presentation Layer

• Session Layer

What is the term used for dividing the network into separate logical areas at the Layer 2 level?

• Virtualization

• VLAN

• Partitioning

• Segmentation