Computer Networking > EXAM > The Bits and Bytes of Computer Networking Week 4 Already Passed (All)
The Bits and Bytes of Computer Networking Week 4 Already Passed
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What transport layer protocol does DNS normally use? UDP IP TCP ICMP ✔✔Great job! While DNS over TCP does exist, UDP is the most common protocol. A DNS TTL determines what? ✔✔TTL ... stands for Time to Live and determines how long a DNS entry can be cached. How many root servers are there? ✔✔13 root servers. An A Record contains what? ✔✔IPv4 address Select all that are true ✔✔One domain name can point to one IP. One domain name can point to many IPs. Many domain names can point to the same IP. [Show More]
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