Question 56
Which statement is false?
Step-by-Step Solution
Detailed Explanation:
Statement C is false because PING uses ICMP messages directly; when errors occur, ICMP error messages ARE returned.
Which statement is false?
Detailed Explanation:
Statement C is false because PING uses ICMP messages directly; when errors occur, ICMP error messages ARE returned.
A router uses the following routing table:
Destination | Mask | Interface
144.16.0.0 | 255.255.0.0 | eth0
144.16.64.0 | 255.255.224.0 | eth1
144.16.68.0 | 255.255.255.0 | eth2
144.16.68.64 | 255.255.255.224 | eth3
Packet bearing a destination address 144.16.68.117 arrives at the router. On which interface will it be forwarded?
Detailed Explanation:
144.16.68.117 matches eth0 (/16), eth1 (/19), and eth2 (/24: 144.16.68.0).
It does not match eth3 (/27: 144.16.68.64/27 covers 64-95).
Longest prefix match selects eth2.
Which layers of the OSI reference model are host-to-host layers?
Detailed Explanation:
In OSI reference model, upper layers (Transport, Session, Presentation, Application) operate on host-to-host / end-to-end basis.
$\Alpha$ and $\Beta testing$ are forms of
Detailed Explanation:
$\Alpha$ and $\Beta testing$ are types of User Acceptance Testing (UAT).
If in a software project the number of user input, user output, enquiries, files and external interfaces are (15, 50, 24, 12, 8), respectively, with complexity average weighing factor. The productivity if effort = 70 percent-month is
Detailed Explanation:
$Unadjusted Function Points (UFP) = (15*4) + (50*5) + (24*4) + (12*10) + (8*7) = 582.$
Adjusting by complexity factor gives FP = 286.12.
Productivity = FP / Effort = 286.12 / 0.70 = 408.74 FP/person-month.