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CUNY Kingsborough Community College *

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2100

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Computer Science

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Dec 6, 2023

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1._____ is the distance between one peak and the next in the analog signal. 2. List two disadvantages of twisted pair cable. 3. Which standard cable type is associated with a star topology Network? 4.________ is used to query DNS database 5. What is TTL stand for? 6. The maximum addressable hosts per network is 254, the network must be of class 7. What is the maximum size for an 802.11 frame? ___________ Bytes. 8. Given the following scenario in the wireless network, fill in the host addresses below. PC1 is sending data to PC22 via AP1, AP2, AP3, AP4 located in another segment. Address1 ______________, Address2 ______________, Address 3______________ , Address 4______________ 9. TIA/EIA specifies two methods of inserting wires into RJ-45 plugs: 10. ICMPv6 on IPv6 networks performs the functions of ____________________________. 11. Explain the meaning of 10GBaseT 12. _____________ is a type of fiber optic that contains a core with a diameter between 50 and 100 microns. 13. List the steps used to decode an analog signal. 1. 2. 3. 14. TCP/IP core protocols, layers 7, 6, 5 Data and Instructions is known as ___________________________ 15. In order for 802.11 network to communicate, stations must exchange three frames in the order: 1.__________________ 2. __________________

3. ___________________ 16. NAS is a network of storage devices that communicate directly with each other and with other networks? 17. To troubleshoot Router issues, you can use____________. 18. The CAT 5 maximum throughput can reach ______. 19. _______________ operates at the Network layer and manages multicasting. 20. You have been issued the IP address 192.254.128.0, if you need 5 subnets. What would be the subnet mask? 21. Within Ethernet frame types, the ________ signals to the receiving node that data is incoming and indicates when the data flow is about to begin. 22.Online UPS provides continuous voltage to a device by switching to the battery when it detects a loss of power from the wall outlet. True or False Other Questions 1.The maximum size for 802.11 is _____________ and the minimum size is __________________ 2.What is MAC filtering used for in the wireless network? 3. Using wireless network, address 1 will always the ______________ address and Address 4 will always contain the ____________ address. 4.Point-to-Point remote access uses _______________ and _________________ protocols 5.List the three common wireless technologies used to connect PAN devices. Separate the answers by comma. 6.What access method that is used by wireless networks? 7.End to end message delivery is a function of ________ layer

8.What is the effective throughput for 802.11g? 9.List the two types of remote access servers. 10.VPN can be classified according to two models __________________ and ________ 11.A network layer protocol used to send control messages is 12.A ________ network is confined to a relatively small space 13. How many bits are required to configure a network if i only need valid subnet? 14.Each network node has __ type(s) of address(es) 15.IEEE has divided the Transport layer into two sub-layers True or Flase 16.Which layer of the OSI model which manager data encryption? 17.List the usable Subnet ids for subnet mask 255.192.0.0 18.The logical link control is a sub-layer of the _____ layer 19.What is the role of ARP? 20.List the four types of cloud computing service models. 20. What is the subnet mask id if i borrowed 3 bits the IP is of a class B. 21.A network layer protocol used to send control messages is

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