Guru Gobind Singh Indraprastha Vishwavidyalaya 2009-6th Sem B.C.A Computer Application Mobile Computing, ester, End Term -, , - Question Paper
Exam Roll No.
Sixth Semester [BCA] May-June 2009
\Paper Code: BCA-304 Subject: Mobile Computing
I Paper Jd: 20304_____(Batch 2005-2006)
Time : 3 Hours___Maximum Marks :75
fjVote: Attempt all questions. Internal choice is indicated. \
Ql. Answer the following/uestions. (2.5x10=25)
(a) What is WAP? v/
(b) Explain WTAI.
(c) What is document Prolog?
(d) List some WML tags.
(e) What is Push messaging?
(f) What are WAP application Servers?
(g) Describe CC/PP exchange Protocol.
(h) What is the role of Mobile Internet Access Provider?
(i) Differentiate between WEB PROXY and WAP PROXY.
(j) Write some advantages of layering of WAP architecture.
UNIT-I
Q2. - Ja) Explain the components of WAP standard. (10)
(b) What is the effect of latency on wireless devices and applications? (2.5)
OR
Q3, (a) Describe WAP deployment chain. (10)
(b) Ust some productivity application services provided by mobile .''Internet. (2.5)
UNIT-II
Q4. (a)'Explain the use of <go> element with an example. Explain its
attributes. (10)
(b) What is WML? How is it different from HTML and XML? (2.5)
OR
Q/ ' (a) What are sessions? Explain WSP session establishment with a
diagram. (10)
(b) What is WBXML? Write its advantages and disadvantages. (2.5)
UNIT-III
Q6. (a) What are WML script Standard Libraries? Explain any three
functions of WML browser library. (10)
(b) Explain the attributes of <setvar>, giving sin example. (2.5) / R
y/. (a) Write WML Design Guidelines. (10)
(b) State in your own words the future of Mobile Internet. (2.5)
UNIT-IV
(a) Explain WTA architecture. (10)
M (t>) What are WAP Push Protocols? <2 5)
OR
(a) Explain WTA Security Model. MOl
/u\ r>-__________________* /
(b) Describe Push Proxy Gateway.
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| Earning: Approval pending. |
