You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0. How many usable host addresses will there be per subnet？（）

(b) As a newly-qualified Chartered Certified Accountant, you have been asked to write an ‘ethics column’ for a trainee

accountant magazine. In particular, you have been asked to draft guidance on the following questions addressed

to the magazine’s helpline:

(i) What gifts or hospitality are acceptable and when do they become an inducement？ (5 marks)

Required:

For each of the three questions, explain the threats to objectivity that may arise and the safeguards that

should be available to manage them to an acceptable level.

NOTE: The mark allocation is shown against each of the three questions above.

A.Encryption

B.Bandwidth limits

C.Minimal signal loss

D.No EMI

A.resolve

B. indirect

C. next-hop

D. recursive

A.PPP

B. UDP

C. TCP

D. ICMP

A.2 hosts

B.120 hosts

C.126 hosts

D.255 hosts

A.10 hosts

B.14 hosts

C.12 hosts

D.16 hosts

A.A

B.B

C.C

D.D

A.510

B. 1022

C. 2046

D. 8190