Networking Concepts and Internet Concepts Set 3

Which is the layer 3 in OSI model?

(A) Network layer

(B) Session layer

(C) Physical layer

(D) Data link layer

Network layer

Which is a reference tool for understanding data communication between any two network system?

(A) LAN

(B) WAN

(C) ISO model

(D) OSI model

OSI model

What is called the interconnected computer systems located at different places?

(A) internet

(B) computer layout

(C) computer network

(D) connectivity of computer

computer network

Which topology combines characteristics of linear bus and star topologies?

(A) Bus

(B) Star

(C) Tree

(D) Mesh

Tree

How many pairs of wires contains in category 5 UTP cable?

(A) 3

(B) 4

(C) 5

(D) 6