Which Cisco IOS command is used to configure encapsulation for a PPP serial link on a Cisco router?
A. encapsulation ppp
B. encapsulation ip ppp
C. ip encapsulation ppp
D. encapsulation ppp-synch
Answer: A
Which service is denoted by TCP/UDP port number 53?
A. Domain Name Service (DNS)
B. File Transfer Protocol (FTP)
C. Telnet
D. HTTP
Answer: A
