What is SNMP used for? a. To forward e-mail from one computer to another b. To pass data packets from network devices to servers c. To establish network connections between clients and servers d. To monitor and manage network devices Which common operating system file contains a list of ports and the programs that use them? a. Protocols b. Services c. Netw.conf d. Hosts Which of the following services are Simple TCP/IP Services? [Choose all that apply.] a. FTP Server b. Daytime Server c. Echo Server d. Telnet Server