ISSC340 Week 7 Quiz

ISSC340 Week 7 Quiz

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0.25/ 0.25 Points Wireless networks are specified in which of the following IEEE standards? A.IEEE 802.2 B.IEEE 802.3 C.IEEE 802.5 D.IEEE 802.11 Question 2 of 5 0.25/ 0.25 Points Which of the following IEEE standards describes 10-gigabit Ethernet over fiber-optic cable? A.802.3ae B.802.3f C.802.3u D.802.3z Question 3 of 5 0.25/ 0.25 Points All IEEE 802.x standards are designed to follow protocols at which layer of the OSI model? A.Layer 1 B.Layer 3 C.Layer 5 D.Layer 7 Question 4 of 5 0.25/ 0.25 Points The three-letter label at the right side of a domain name is also called: A.a dotted quad. B.a server name. C.a top-level domain. D.a Web site host. Question 5 of 5 0.25/ 0.25 Points A domain name server performs which function? A.It resolves MAC addresses to domain names. B.It resolves domain names to MAC addresses. C.It resolves IP addresses to Web URLs. D.It resolves domain names to IP addresses.