WCN interview Questions or viva Questions, bits

UNIT-III

1. An example of shared mobile data network is

Answer:  CDPD

2. Encryption technique used in HIPERLAN IS       

Answer: 3DES

3. GPRS is a mobile data network service that is

Answer: Overlay on traffic channels

4. Frequency of operation for HIPERLANis –

Answer: 5.2GHz

5. An example of mobile data network with overlay on signaling channels

Answer: SMS

6. ATM is        technique

Answer: Multiplexing

7. According to ATM forum, the protocols that connect user terminals to switches and Connecting two switches together are defined respectively by

Answer: UNI, NNI protocols.

8. ATM stands for

Answer: Asynchronous transfer mode

9. The HIPERLAN type which provides wirelessIP an ATM remote access(5km) is

Answer: HIPFR ACCES

10.WATM supports          transfer of data.

Answer: bidirectional

11. The HIPERLAN type that provides wireless broadband interconnect is

Answer: HIPER LINK

12. Maximum throughput for HIPERLAN is        Mbps

Answer:  24

13. Maximum transfer rate for HIPERLAN is        Mbps

Answer:  32

14. The length of ATM cells is of      bytes

Answer: 53

15. The HIPERLAN type that provides wireless IP and ATM short- range access is

Answer: HIPERLAN TYPE 2

16. The length of header in ATM cell is of      bytes

Answer: 5

18. Which out of these is not a feature of Wireless?
Answer: Printer Support
19. Which OSI layer supports the IP assigning?
Answer: Network Layer
20. What is the full form of UMTS?
Answer: Universal Mobile Telecommunications System

UNIT-IV

1. Where is the base station synchronization used?
Answer: IS-96
2. What is the term called when a user has to match bluetooth to a mobile phone?
 Answer: Bluetooth Pairing

.	3. What is the frequency range of the IEEE 802.11a standard?
	A. 2.4Gbps B. 5Gbps C. 2.4GHz D. 5GHz Answer:  D
	4. What is the maximum distance running the lowest data rate for 802.11b?
	A. About 100 feet B. About 175 feet C. About 300 feet D. About 350 feet Answer: Option D

5.	What is the maximum distance with maximum data rate for 802.11a?
	A. About 65-75 feet B. About 90-100 feet C. About 150 feet D. Over 200 feet Answer: Option A

6.	What is the frequency range of the IEEE 802.11b standard?
	A. 2.4Gbps B. 5Gbps C. 2.4GHz D. 5GHz Answer: Option C
7.	You have a Cisco mesh network. What protocol allows multiple APs to connect with many redundant connections between nodes?
	A. LWAPP B. AWPP C. STP D. IEEE Answer: Option B
8.	What is the maximum data rate for the 802.11g standard?
	A. 6Mbps B. 11Mbps C. 22Mbps D. 54Mbps Answer: Option D
9.	What is the maximum data rate for the 802.11a standard?
	A. 6Mbps B. 11Mbps C. 22Mbps D. 54Mbps Answer: Option D
10.	How many non-overlapping channels are available with 802.11b?
	A. 3 B. 12 C. 23 D. 40 Answer: Option A
11.	How many non-overlapping channels are available with 802.11a?
	A. 3 B. 12 C. 23 D. 40 Answer: Option B
12.	In Cisco's Unified Wireless Solution, what is the split-MAC architecture?
	A. The split-MAC architecture uses MAC addresses to create a forward/filter table and break up collision domains. B. The split-MAC architecture allows the splitting of 802.11 protocol packets between the AP and the controller to allow processing by both devices. C. The split-MAC architecture uses MAC addresses on the wireless network and IP addresses on the wired network. D. The split-MAC architecture uses MAC addresses to create a forward/filter table and break up broadcast domains. Answer: Option B
13.	What is the maximum distance with maximum data rate for 802.11b?
	A. About 65-75 feet B. About 90-100 feet C. About 150 feet D. Over 200 feet Answer: Option C
14.	What is the maximum distance with maximum data rate for 802.11g?
	A. About 65-75 feet B. About 90-100 feet C. About 150 feet D. Over 200 feet Answer: Option B

15.	What is the maximum distance running the lowest data rate for 802.11a?
	A. About 100 feet B. About 175 feet C. About 300 feet D. About 350 feet Answer: Option B
16.	How many non-overlapping channels are available with 802.11h?
	A. 3 B. 12 C. 23 D. 40 Answer: Option C

17.	What is the maximum data rate for the 802.11b standard?
	A. 6Mbps B. 11Mbps C. 22Mbps D. 54Mbps Answer & Explanation Answer: Option B

18.	You are connecting your access point and it is set to root. What does Extended Service Set ID mean?
	A. That you have more than one access point and they are in the same SSID connected by a distribution system. B. That you have more than one access point and they are in separate SSIDs connected by a distribution system. C. That you have multiple access points, but they are placed physically in different buildings. D. That you have multiple access points, but one is a repeater access point. Answer & Explanation Answer: Option A
19.	Cisco's Unified Wireless Solution provides a mesh solution. What devices do you absolutely need to purchase to run a Cisco solution? 1.                  WCS 2.                  Controller 3.                  Access point 4.                  Bridge
	Answer: Option  2 & 3

20.	What is the frequency range of the IEEE 802.11g standard?
	A. 2.4Gbps B. 5Gbps C. 2.4GHz D. 5GHz Answer: Option C More Questions  1   2    3     4