Which of the following describes software technologies that improve portability, manageability, and compatibility of applications by encapsulating them from the underlying operating system on which they are executed?

1. A. System registry
2. B. Group Policy
3. C. Application virtualization
4. D. System control

Correct Answer: C

When designing wireless networks, one strategy to consider is implementing security mechanisms at all layers of the OSI model. Which of the following protection mechanisms would protect layer 1?

1. A. Hardening applications
2. B. Limit RF coverage
3. C. Employing firewalls
4. D. Enabling strong encryption

Correct Answer: B

Which of the following statements best describes where a border router is normally placed?

1. A. Between your firewall and your internal network
2. B. Between your firewall and DNS server
3. C. Between your ISP and DNS server
4. D. Between your ISP and your external firewall

Correct Answer: D

If the NET_ID of the source and destination address in an IP (Internet Protocol) packet match, which answer BEST describes the routing method the sending host will use?

1. A. Local (or direct) routing
2. B. Circuit switch routing
3. C. Dynamic (or changeable) routing
4. D. Remote (or indirect) routing

Correct Answer: A

Which of the following services resolves host name to IP Address?

1. A. Computer Browser
2. B. DHCP
3. C. DNS
4. D. WINS

Correct Answer: C