April
1999 QUESTION 4 Total Marks: 20 Marks |
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| (a) | List two types of attack which are
possible over communication lines.
|
[2] |
| (b) | Describe the security considerations
associated with twisted pair and coaxial cable.
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[4] |
| (c) | (i) List two services provided by a firewall. | [2] |
| (ii) List two drawbacks associated with
firewalls.
|
[2] | |
| (d) | Describe how biometrics devices are
used to provide positive identification.
|
[2] |
| (e) | Describe how each of the following provide access control services. | [2] |
| (i) Access control lists. | [2] | |
| (ii) Logical networking controls.
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| (f) | Describe two forms of non-repudiation service. | [4] |