Please need urgently correct answers according to marks please correct don want to loose marks

1. Convert 1111 1010 10112 to a) Hexadecimal and to b) Decimal: show (4Marks) your work: (4Marks) 2. Convert E9A16 to a) Binary and to b) Decimal: show your work: (2Marks) 3. Convert this subnet mask to slash notation: 255.255.255.248 (show your work using bits, but don't show dec to bin conversion) (2Marks) 4. Convert this subnet mask to Dotted Decimal notation (show your work using bits): 712 (show your work using bits, but don't show dec to bin conversion) (2 Marks) 5. Write this IPv6 Address in its shortest form: 2001:cdba:0000:0000:0000:0000:3257:9652 (2 Marks) 6. Expand this IPv6 Address into its longest form: 3FFE:FFFF::8:800:20C4:0 or each device, state the OSI network layer it functions on and whether it can isolate a collision domain (or not) and whether it can isolate a broadcast domain (or not): Isolates Collision Domain (Y/N)? Isolates a Broadcast Domain (Y/N)? Device OSI Layer Hub Switch Router OSI Layer Isolates Collision Domain (Y/N)? Isolates a Broadcast Domain (Y/N)? Device Hub Switch Router 7. (2 Marks) What is the meaning of the IP address 127.0.0.1 ? What is it used for? (2 Marks) 8. Write the IP Version 6 loopback address: (4 Marks) 9. What is the difference between a MAC address and an IP address? (1.e. define each and show the difference) (6 Marks) 10. Given the following network: 172.16.125.200/10 a) What is the network number (network portion of the address)? b) What is the host portion of the address? c) Is a host with address: 172.48.100.155 on the same subnet? Why or why not? 11.) Given the following network: 192.168.10.0/24 Subnet this network with a /25 subnet mask a) What class was the original network? (1mk) b) How many bits are borrowed? (1mk)| 11.) Given the following network: 192.168.10.0/24 Subnet this network with a /25 subnet mask a) What class was the original network? (Imk) b) How many bits are borrowed? (1mk)| c) How many new networks are there? How many hosts per network? (4mks) d) What is the new subnet mask in dotted decimal notation? (1mks) e) What is the Block Size? (1mk) f) List out the new networks, the IP range in each network and the network's broadcast address (Smks)