Attendance week 13

Question 3 For the network 129.120.0.0/16. How many 129.120.0.0/24 subnets exist? (numeric response) 1. How many bits are in the subnet portion? (numeric response) 2. Subnet number range is from: to: (only provide the third subnet octate) 3. How may bits are in the host portion? (numeric response) 4. Host address range is from: to: (only provide the fourth host octate) 5. Network number for first subnet is (provide full ip address with mask) 6. Broadcast address for fırst subnet is 7. Netmask for 129.120.0.0/24 is:

Assume the baud rate equals bits per second. How long is a bit for a 9600 baud modem? A) 9600 B) 104 us C) 1.04 ns D) 9.6 ns

. The following is configured on a router             Router(config)# interface g0/0.10             Router(config-subif)# encapsulation dot1Q 20             Router(config-subif)# ip address 192.168.30.1 255.255.255.0 A packet is sent from the router out the subinterface to a trunk port on a switch. The switch will treat the packet as if it is on what VLAN? . The following is configured on a router             Router(config)# interface g0/0.10             Router(config-subif)# encapsulation dot1Q 20             Router(config-subif)# ip address 192.168.30.1 255.255.255.0 A packet is sent from the router out the subinterface to a trunk port on a switch. The switch will treat the packet as if it is on what VLAN? VLAN 20 VLAN 30 VLAN 10 The native VLAN

Q14: Multiple Choice - The function of ARP is to what? a. Translate from well known TCP ports to IP addresses. b. Translate between IP addresses and TCP Ports c. Translate from IP addresses to MAC addresses. d. Translate from MAC addresses to IP addresses. e. Address Routing Protocol - converts routes. f. None of the above.

Given that the base address is FoH. 1. Create a new asm project “Lab2_Q1.asm". Assume that port A of 8255A PPI is connected to 8085. Write assembly code to send the value of FFH to FoH. Enter a delay of 2 ms for each transmission.

The following data are transmitted in a serial communication system (P is the parity bit). What parity is being used in each case? a. ABCDEFGHP = 010000101 b. ABCDEFGHP = 011000101 c. ABCDP = 01101 d. ABCDEP = 101011 e. ABCDEP = 111011

•An ISP is granted a block of addresses starting with 190.100.0.0/16. The ISP needs to distribute these addresses to two groups of customers as follows: •The first group has 64 customers; each needs 128 IP addresses. •The third group has 128 customers; each needs 64 IP addresses. • Write at least the first and last IP addresses for the first two and last two customers in each group.

[7] Construct a 4-to-16-line decoder with five 2-to-4-line decoders with enable.

7. The constellation diagram for a modem that is used for transmission via an analogue channel is shown in the picture on the right. a. What kind of modulation is used? FSK, PSK, QAM or ASK? b. What is the bit rate if a symbol rate of 60 MBaud is sent?

3. List classes in IP addresses 4. List two of special addresses

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Please assist with question 4

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27.Transmission protocol serial asynchronous 8 bits ASCII, 1 parity bit, 9600 bps. How long will it take for a kilobyte file to be transmitted through the link?