Routers are comprised of the following layers Physical Physical and Data Link Physical, Data Link, and Network Physical, Data Link, Network, and Transport HTTP, SMTP, and FTP reside in which layer: Application Network Transport Data Link How many distinct IP addresses are possible in the entire Internet with IPV4? 2^26 2^32 2^64 Which LINUX file contains information about which services are running at which ports?/etc/services/etc/maps/mnt/services/dev/severs TCP/IP protocol stack is a part of Network device driver Kernel code User application Remote application Which of the following command is used to see the details of a connection (IP address and port number pair) established between the current computer and all remote servers/clients? telnet dig ping Netstat Socket connections are similar to pipe connections in that both use their file descriptors as addresses processes transfer data through both with the read and write system calls A server program uses the bind system call to lock the socket in memory attach an address to its socket A client program makes a connection to a server program by calling socket connect Datagram sockets may be a good choice for transmitting background music for elevators but not so in automated teller machine transactions Yes No