221. Who provides dialing/hangup instructions to a smart modem?

Data Communication and Computer Networks • Modems • UGC NET Paper 2 Computer Science JUNE 2011

222. Comparison FDM vs TDM: FDM requires lower bandwidth but TDM has greater noise immunity.

Data Communication and Computer Networks • Multiple Access • UGC NET Paper 2 Computer Science JUNE 2011

223. Which switching is best for interactive traffic?

Data Communication and Computer Networks • Switching Techniques • UGC NET Paper 2 Computer Science JUNE 2011

224. A key design issue of the Data Link layer is?

Data Communication and Computer Networks • Data Link Layer Functions • UGC NET Paper 2 Computer Science JUNE 2011

225. Data encryption is used for?

Data Communication and Computer Networks • Encryption Basics • UGC NET Paper 2 Computer Science JUNE 2011

226. Risk factors in e-payment systems include?

Data Communication and Computer Networks • E-Payment Security • UGC NET Paper 2 Computer Science JUNE 2011

227. IP packet with M-bit=1 and offset=0 is which fragment?

Data Communication and Computer Networks • IP Fragmentation • UGC NET Paper 2 Computer Science JUNE 2011

228. MAP in mobile runs atop which protocol?

Data Communication and Computer Networks • Mobile Networking (MAP) • UGC NET Paper 2 Computer Science JUNE 2011

229. Coaxial cable RG-59 (75 Ω) is used for?

Data Communication and Computer Networks • Transmission Media • UGC NET Paper 2 Computer Science JUNE 2011

230. Example of dictionary-based coding is:

Data Communication and Computer Networks • Data Compression • UGC NET Paper 2 Computer Science JUNE 2011

231. Delaying outgoing ACKs to attach them to next data frame is called

Data Communication and Computer Networks • Data Link • UGC NET Paper 2 Computer Science JUNE 2011

232. Match HTML tags CITE(i), EM(ii), VAR(iii), SAMP(iv):

Data Communication and Computer Networks • HTML Semantics • UGC NET Paper 2 Computer Science JUNE 2011

233. In classful addressing, IP 123.23.156.4 belongs to Class

Data Communication and Computer Networks • IP Addressing • UGC NET Paper 2 Computer Science JUNE 2011

234. GSM network is divided into which three systems?

Data Communication and Computer Networks • Mobile Systems • UGC NET Paper 2 Computer Science JUNE 2011

235. Match layers to protocols: (a) App (b) Trans (c) Net (d) Data link — (1) TCP (2) HDLC (3) HTTP (4) BGP

Data Communication and Computer Networks • Protocol Stack • UGC NET Paper 2 Computer Science JUNE 2011

236. Using RSA p=3,q=11,d=7,M=5, ciphertext C is

Data Communication and Computer Networks • Public-Key Cryptography • UGC NET Paper 2 Computer Science JUNE 2011

237. Which provides a TCP/IP interface on Windows95/NT?

Data Communication and Computer Networks • Windows Networking • UGC NET Paper 2 Computer Science JUNE 2011

238. Which is a collection of templates and rules for XML transformation?

Data Communication and Computer Networks • XML Technologies • UGC NET Paper 2 Computer Science JUNE 2011

239. Halftoning is a _______ image reproduction technique.

Data Communication and Computer Networks • Image Processing • UGC NET Paper 2 Computer Science JUNE 2011

240. Different-technology networks connect via __.

Data Communication and Computer Networks • Internetworking • UGC NET Paper 2 Computer Science JUNE 2011