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WorksheetsI. Network and Data Communication Basics
Total questions: 15
Worksheet time: 8mins
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
11. What is the rate at which information is transferred in a communication channel?
a. Bit rate
b. Baud rate
c. Communication rate
d. Data transfer rate
12. What is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus?
a. serial communication
b. synchronous data transfer
c. data communication
d. asynchronous data transfer
13. Which connection is made to a server and maintained until the user terminates the connection?
A. uploading attachments on your email
B. upgrading firmware using FTP server
C. downloading a file from a central server
D. accessing a shared drive
14. What kind of jack must be used for making a connection to a Category 5 unshielded twisted pair cable in a horizontal cabling scheme?
A. RJ-45
B. RS-232
C. RS-485
D. ADB0036
15. What is the standard originally introduced in 1960 for serial communication transmission of data that formally defines signals connecting between a Data Terminal Equipment (DTE) and Data Communication Equipment (DCE).
A. RS-485
B. RS-232
C. RJ-45
D. Ethernet
