Cisco: Routing and Switching Final Exam| 60 QUESTIONS| WITH COMPLETE VERIFIED SOLUTIONS
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Course
CISCO
Institution
CISCO
Refer to the exhibit. A network administrator is configuring a router as a DHCPv6 server. The administrator issues a show ipv6 dhcp pool command to verify the configuration. Which statement explains the reason that the number of active clients is 0?
IMAGE ATTACHED
a. The default gateway addre...
Cisco: Routing and Switching Final Exam| 60 QUESTIONS|
WITH COMPLETE VERIFIED SOLUTIONS
Refer to the exhibit. A network administrator is configuring a router as a DHCPv6 server. The
administrator issues a show ipv6 dhcp pool command to verify the configuration. Which
statement explains the reason that the number of active clients is 0?
IMAGE ATTACHED
a. The default gateway address is not provided in the pool.
b. No clients have communicated with the DHCPv6 server yet.
c. The IPv6 DHCP pool configuration has no IPv6 address range specified.
d. The state is not maintained by the DHCPv6 server under stateless DHCPv6 operation.
CORRECT ANSWERS: The state is not maintained by the DHCPv6 server under stateless
DHCPv6 operation.
Which command, when issued in the interface configuration mode of a router, enables the
interface to acquire an IPv4 address automatically from an ISP, when that link to the ISP is
enabled?
a. ip dhcp pool
b. ip address dhcp*
c. service dhcp
d. ip helper-address CORRECT ANSWERS: ip address dhcp
Which kind of message is sent by a DHCP client when its IP address lease has expired?
CORRECT ANSWERS: a DHCPREQUEST unicast message
Refer to the exhibit. R1 has been configured as shown. However, PC1 is not able to receive an
IPv4 address. What is the problem?
IMAGE ATTACHED CORRECT ANSWERS: The ip helper-address command was applied on
the wrong interface.
A college marketing department has a networked storage device that uses the IP address
10.18.7.5, TCP port 443 for encryption, and UDP port 4365 for video streaming. The college
already uses PAT on the router that connects to the Internet. The router interface has the public
IP address of 209.165.200.225/30. The IP NAT pool currently uses the IP addresses ranging
from 209.165.200.228-236. Which configuration would the network administrator add to allow
this device to be accessed by the marketing personnel from home? CORRECT ANSWERS: ip
nat inside source static tcp 10.18.7.5 443 209.165.200.225 443
ip nat inside source static udp 10.18.7.5 4365 209.165.200.225 4365
, What is a disadvantage of NAT? CORRECT ANSWERS: There is no end-to-end addressing.
Which type of traffic would most likely have problems when passing through a NAT device?
CORRECT ANSWERS: IPsec
What benefit does NAT64 provide? CORRECT ANSWERS: It allows sites to connect IPv6
hosts to an IPv4 network by translating the IPv6 addresses to IPv4 addresses.
Refer to the exhibit. The Gigabit interfaces on both routers have been configured with
subinterface numbers that match the VLAN numbers connected to them. PCs on VLAN 10
should be able to print to the P1 printer on VLAN 12. PCs on VLAN 20 should print to the
printers on VLAN 22. What interface and in what direction should you place a standard ACL
that allows printing to P1 from data VLAN 10, but stops the PCs on VLAN 20 from using the P1
printer? (Choose two.)
IMAGE ATTACHED CORRECT ANSWERS: R1 Gi0/1.12
outbound
Which two packet filters could a network administrator use on an IPv4 extended ACL? (Choose
two.) CORRECT ANSWERS: ICMP message type
destination UDP port number
A network administrator is explaining to a junior colleague the use of the lt and gt keywords
when filtering packets using an extended ACL. Where would the lt or gt keywords be used?
CORRECT ANSWERS: in an IPv4 extended ACL that allows packets from a range of TCP
ports destined for a specific network device
Which three values or sets of values are included when creating an extended access control list
entry? (Choose three.) CORRECT ANSWERS: access list number between 100 and 199
destination address and wildcard mask
source address and wildcard mask
A network administrator is designing an ACL. The networks 192.168.1.0/25, 192.168.0.0/25,
192.168.0.128/25, 192.168.1.128/26, and 192.168.1.192/26 are affected by the ACL. Which
wildcard mask, if any, is the most efficient to use when specifying all of these networks in a
single ACL permit entry? CORRECT ANSWERS: 0.0.1.255
The computers used by the network administrators for a school are on the 10.7.0.0/27 network.
Which two commands are needed at a minimum to apply an ACL that will ensure that only
devices that are used by the network administrators will be allowed Telnet access to the routers?
(Choose two.) CORRECT ANSWERS: access-class 5 in
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