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enable all DHCP requests to be provided

locally.

enable all DHCP requests to be forwarded to a

DHCP server.

prevent DHCP traffic within a local LAN.

prevent DHCP traffic on a backbone link.

What is a use of DHCP relay?

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Permanent links for dial for on demand end to endconnections.

Open circuits for DCE for on demand end to endconnections.

Open circuits for DTE for on demand end to endconnections.

Switched virtual circuits for on demand end toend connections.

What does packet switching normally

use?

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show interface dhcp

show ip all

show ip dhcp binding

show version

What command may be used to verify

DHCP operation?

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Access

Distribution

Backbone

Core

In which layer of the Cisco three layer

model does WAN connectivity take place?

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Int s0/0

Clockrate 64000

Int S0/0

Ip address 192.7.0.0 25.255.2550 speed 64000

Int S0/0

Encapsulation HDLC speed 64000

I

nt frame-relay S0/0

What command could be used to configure a

serial DCE link from the configuration prompt?

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destination IP address and VLSM mask

destination MAC address

port numbers sequence numbers and flow control

details

What does PAT use to distinguish

translations when overloading?

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BRI and PRI

FrameRelay and ATM

Sonet and OC1

X25 and V35

What are types ofISDN line?

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Application

Internet

Network access

Transport

What layer of the TCP/IP model do WAN

devices operate at?

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A MAC address scheme on a hub

A port on a router

Firewall routing protocol Unique IP address with Variable

mask

What is required for a WAN leased line

connection?

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a mechanism for translating private to public IP

Addresses

a mechanism for maintaining a MAC addressing

Scheme a private addressing scheme for multicast packets

a system for forwarding routing updates

What is NAT?

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201.16.16.80

201.16.16.92

201.16.16.160

201.16.16.190

Which one of the following addresses is a valid

subnet address when 201.16.16.0/24 is

subnetted with an additional 3 bits?

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X.25

HDLC

PPP

Frame Relay

Which one of the following is the default

encapsulation for serial interfaces on a router?

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DHCPACK, DHCPREQUEST,DHCPDISCOVER, DHCPOFFER

DHCPREQUEST, DHCPDISCOVER,DHCPOFFER, DHCPACK

DHCPDISCOVER, DHCPOFFER,DHCPREQUEST, DHCPACK

DHCPREQUEST,DHCPDISCOVER, DHCPACK, DHCPOFFER

What is the correct order of DHCP

messages?

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Dynamic NAT

NAT with overloading

Static NAT

DHCP

Which one of the following provides one-to-one

fixed mappings of local and global addresses?

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ATM

POTS

ISDN

T1/E1

Which one of the following is a dedicated

WAN link?