IT Infrastructure BS 3 Semester/Term University Of Sargodha (UOS) 2025

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BS 7" Semester / 3 Sem MSE(S™ Intake) Exam 2025

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Subject; LT paper: IT Inftructure (ITCC-407/1TCCA544) fr

© Allowed: 02:30 Hours Maximum Marks. 60

e: Objective part is compulsory. Attempt any three questions from subjective part.

Objective Part | (Compulsory)

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Write short answers of the followir NCS each on your answer sic

Define IT Infrastructure

What is the role of a data cent [ Infrastructure

List two key components of hu ¢ infrastructure

) What is virtual A } Comp

Mention any two types of network topologies

What is meant by cloud compu

\ What does VPN stand for d 18 its use?

Vill Name two commo perating ems used in enterprise environments

1X What is BYOD?

X Dehine scalability in I'T infras ture

x! What is meant by redundancy

\ Mention two types of storage devices

Subjective Part (3*12)

D.2 For 100 servers, cacl ches high, if you : rently using 42U racks but considering switching

o 480 racks, calculate the total cost differen ach 42U rack costs $200, and each 48U rack costs

$230. Additionally, factor in the cost of installation, which is $50 per rack for 42U racks and $60 per

ck for 48U racks, as well as the cost of pow tribution units (PDUs), which 1s $75 per unt {or

120 racks and $85 per unit for 48U racks, assuming each rack requires one PDU. How much will

} Ve Or spend extra by maxing this swit

0.3 xplain the components and architecture of nirastructure in a medium-sized enterprise

04 jiscuss the different types of cloud comput models. Highlight their benefits and drawbacks

0.5. low is network secunty ensured in an enterprise [1 setup? Include firewalls, VPNs, and Access

Q.6. Describe the process of disaster recovery and business continuity planning in IT infrastructure

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