COMPUTER NETWORK QUESTIONS-19

Which of the following describes the creation of private networks across the Internet, enabling 
privacy and tunneling of non-TCP/IP protocols?

A. HDLC
B. Cable
C. VPN (CORRECT)
D. IPSec
E. xDSL
 
Which of the following describes an industry-wide standard suite of protocols and algorithms that 
allows for secure data transmission over an IP-based network that functions at the layer 3 Network 
layer of the OSI model?

A. HDLC
B. Cable
C. VPN
D. IPSec (CORRECT)
E. xDSL


Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as
the DSLAM?

A. DSL (CORRECT)
B. PPPoE
C. Frame Relay
D. Dedicated T1
E. Wireless


When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock
rate determined?

A. Supplied by the CSU/DSU (CORRECT)
B. By the far end router
C. By the clock rate command
D. By the Physical layer bit stream timing


Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?

A. frame-relay arp
B. frame-relay map(CORRECT)
C. frame-relay interface-dci
D. frame-relay lmi-type


How should a router that is being used in a Frame Relay network be configured to keep split horizon issues
 from preventing routing updates?

A. Configure a separate subinterface for each PVC with a unique DLCI and subnet assigned to the
subinterface.(CORRECT)
B. Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast
traffic.
C. Configure many subinterfaces in the same subnet.
D. Configure a single subinterface to establish multiple PVC connections to multiple remote router
interface

Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like 
authentication, encryption, and compression?

A. PPP
B. PPPoA
C. PPPoE (CORRECT)
D. Token Ring

COMPUTER NETWORK KNOWLEDGE