Under what circumstances is it advisable to set the recursion timeout value and retry intervals higher than usual?
A. The settings are Microsoft recommended best practices for an increased security DNS server.
B. The settings should be used when a server is using DNSSEC to ensure a response.
C. The settings are advised when a server utilizes multiple local IP addresses.
D. The settings should be used when the server must use recursive queries over a slow WAN link.
Answer: D. The settings should be used when the server must use recursive queries over a slow WAN link.
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Which OSI layer is responsible for establishing the TCP connection and is vulnerable to session hijacking attacks?
a. Application b. Presentation c. Session d. Network
Answer the following questions for the certification report shown here.
a. What is the length of wire pair 7–8?
b. What is the delay skew for pair 4–5?
c. Why did this cable fail the wiremap test?