solve fast plzz

Which of the below application protocols is responsible for transferring files to hosts in a network? * O DHCP O ARP O DNS O FTP What is the total number of hosts provided when the 255.255.255.240 subnet mask is used? * O 16 O 32 O 30 O 14 Which of the below segment header sent by the TCP Server to denote a connection acceptance over TCP communication? * O END O FIN O ACK O SYN Which of the below denotes the purpose of a transport layer PDU? * O Window Size O Message Segment Size O Acknowledgment O Application Identification In which sequence DHCP Operation between Client and Server is done? * O DHCP Discover, DHCP Offer, DHCP Request, DHCP ACK O DHCP Discover, DHCP Request, DHCP Reply, DHCP ACK O DHCP Discover, DHCP Offer, DHCP Reply, DHCP ACK O DHCP Request, DHCP Which of the below is considered a Registered port?* O 49150 O29151 O 59356 O 80 which one of the below protocols uses both UDP and TCP segment to send its messages? * O SMTP O DHCP O DNS O HTTP PC A needs to communicate with more than one PC on the same LAN. What is the type of IP Address used by PCA to target the requested host? O Public IP O Private IP O Multicast IP Class D IP Assume we need to subnet a class B network to have 59 Subnets. What is the total number of bits that should be modified to have the new subnet mask? * O 2 O 3 O 6 O 5 What subnet mask is chosen if an IPv4 network has 190 devices that need IP addresses and the address space should be minimized as much as possible. O 255.255.255.192 O 255.255.255.0 O 255.255.255.224 O 255.255.255.240