Exam PP

Question 1

What is rsync?

Answer 1

Sync directories via the network

Question 2

which of the following is not a valid nslookup command?
A) ls example.com
B) set type=any
C) server 8.8.8.8
D) exit
E) resolve up.ac.za

Answer 2

E

Question 3

HDLC accomplishes transparency by using
A) Bit stuffing
B) Byte stuffing
C) Known field lengths
D) All of the above
E) none of the above

Answer 3

A

Question 4

31) traceroute can work using
A) IP’s TTL and ICMPS Time exceeded
B) Ips and TTL and ICMPs Destination unreachable
C) ICMPs router advertisement
D) Ips Source route
E) all of the above

Answer 4

A

Question 5

32) An ARP cache is maintained on
A) Each host connected to an ethernet bus
B) a special ARP cache server
C) Layer 4 of the protocol stack
D) The RARP server
E) The hub

Answer 5

A

Question 6

37) The problem of session hijacking is solved by
A) Random initial TCP sequence number
B) Setting TCP SYN flag
C) Load shedding
D) Not disbanding the Scorpions
E) Reintroducing the death penalty (TTL)

Answer 6

A

Question 7

40) A domain hack occurs when
A) One uses parts of the domain name to spell a word
B) One overrides the DNS by entering info in the hosts file
C) One answers a DNS query before the query has been issued in hope that an unsuspecting host will cache the incorrect answer
D) One modifies a zone file without authorisation
E) More than one of the above

Answer 7

A