I. Network and Data Communication Basics

1. Which is an example of a Layer 3 internetworking device that passes data packets between networks?

• a. access point

• b. modem

• c. router

• d. switch

2. A _______________ is a device that is used to connect two different networks.

• a. Gateway

• b. Link

• c. Server

• d. Bridgeway

3. How long is an IPv4 address?

• a. 32 bits

• b. 128 bytes

• c. 64 bits

• d. 32 bytes

4. PING operates in which protocol?

• a. IP

• b. ICMP

• c. TCP

• d. UDP

5. What URL stands for?

• a. Uniform Routing Locator

• b. Universal Resource Locator

• c. Uniform Resource Locator

• d. Uniform Router Locator

6. Which of the following is not a VPN Protocol?

• a. PPP

• b. L2TP

• c. PPTP

• d. IPSec

7. Which memory component of a router loses its content when the router is turned off?

• a. NVRAM

• b. FLASH

• c. ROM

• d. RAM

8. What protocol in the TCP/IP suite can detect/learn the MAC addresses of a computer that is associated with a particular IP address?

• a. DHCP

• b. ARP

• c. RARP

• d. Proxy RARP

9. System that translate IP to URL or vice versa?

• a. Database Naming System

• b. Directory Network System

• c. Domain Name System

• d. Data Network System

10. What is the network topology where we have a central device that is connected to multiple other devices?

• a. Mesh topology

• b. Bus topology

• c. Hub and spoke topology

• d. Hybrid topology