Lotus CLP Certification Exam 190-623

Which of the following is used to manage IP multicast sessions?

A. NNTP
B. ICMP
C. IGMP
D. SNMP
Answer: C
Explanation: IGMP (Internet Group Management Protocol)190-621 is used to manage IP
multicast sessions. It does not provide error reporting.

Incorrect Answers:
A: NNTP (Network News Transfer Protocol) is used to access Usenet news servers. It
does not manage IP multicast sessions.
B: ICMP (Internet Control Message Protocol) is used for network management and
control.190-622 It provides error testing and reporting for TCP/IP. It does not manage IP
multicast sessions
D: SNMP (Simple Network Management Protocol) is a communications protocol that
collects information about network devices, such as hubs, routers, and bridges.190-623 It does
not manage IP multicast sessions.

References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda
CA, 2005, pp. 112-118.
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PMI Project Management Professional Certifications Exam PMI-001

A certifyme.com has a computer that has become sluggish after months of use. What
should the certifyme.com technician do to improve performance?

A. Add more RAM.
B. Upgrade the CPU.
C. Defragment the hard drive.
D. All of the above.
Answer: C
Explanation: Due to read a write processes on a hard drive, fragmentation of data
occurs after time.642-426 This causes slower read/writes and can be resolved by regularly
deframenting the hard drive.

Incorrect Answers
A, B, D: Upgrading the RAM or CPU would increase system performance but a
fragmented hard disk is best optimized by deframentation.PMI-001

References:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex Inc,
Alameda, CA, 2001, pp. 74-86, 114-116, 172-177.