CCNA 200 301) Practice Exam (ENSA v7.0)-
EXAM QUESTIONS AND ALL CORRECT
ANSWERS 100% SOLVED AND
GUARANTEED SUCCESS
An instructor is reviewing student answers on a previous term exam to prepare for a lecture
on IPv6. What would be a good point for the instructor to make when explaining an IPv6 GUA
(global unicast address)?
It is considered a best practice to use the IPV6 GUA address of the router as the default
gateway address for Windows hosts.
It can be configured statically or assigned dynamically on a router.
It can only be configured statically on a host interface by using the ipv6 address command.
It is routable on the IPv6 internet.
It is routable on the IPv6 internet.
An administrator needs to implement a 2.4GHz WLAN that requires multiple APs. Which two
are characteristics of the 2.4GHz channels? (Choose two.)
They can provide faster data transmission for wireless clients in heavily populated wireless
networks than 5GHz channels.
Each channel is separated from the next channel by 20 MHz.
There are 11 channels for North America identified by the 802.11b standard.
If three adjacent APs are required, the non-overlapping channels 1, 21, and 41 are
recommended.
Each channel is allotted 22 MHz bandwidth.
There are 11 channels for North America identified by the 802.11b standard.
Each channel is allotted 22 MHz bandwidth.
,A technician must accommodate at least 500 subnets from address 172.16.0.0/16. What is an
appropriate subnet mask and corresponding number of available host IP addresses per subnet
to meet the requirement?
255.255.255.128 and 126 hosts
255.255.255.0 and 128 hosts
255.255.255.192 and 126 hosts
255.255.255.224 and 128 hosts
255.255.255.128 and 126 hosts
Refer to the exhibit. A PC with the MAC address of 0800.069d.3841 attached to port Fa0/8 is
sending data to a device that has the MAC address of 6400.6a5a.6821. What will the switch
do first to handle the data transfer?
The switch will add the address 0800.069d.3841 to the MAC address table.
The switch will send the frame to ports Fa0/4 and Fa0/6.
The switch will flood the frame out all ports except port Fa0/8.
The switch will send the frame to port Fa0/6.
The switch will add the address 6400.6151.6821 to the MAC address table.
The switch will add the address 0800.069d.3841 to the MAC address table.
Explanation: Every frame that enters a switch is checked for new information to learn. It does
this by examining the source MAC address of the frame and port number where the frame
entered the switch:
If the source MAC address does not exist in the MAC address table, the MAC address and
incoming port number are added to the table.
A network engineer is giving a tour of the company network operations center to a college
class. The engineer is trying to describe how a WAN and connectivity to the internet relate to
the network infrastructure. Which statement correctly describes network infrastructure and
network communication?
Communication across the internet requires application of recognized technologies and
standards.
LANs are used to connect WANs around the world.
,A LAN connects small networks to large global networks.
The internet is a worldwide collection of interconnected networks owned by an organization.
Communication across the internet requires application of recognized technologies and
standards.
Explanation: The internet is not owned by any individual or group. Ensuring effective
communication across this diverse infrastructure requires the application of consistent and
commonly recognized technologies and standards as well as the cooperation of many network
administration agencies.
A network engineer is designing a borderless switched network in a hierarchical fashion.
Which guideline might cause the engineer to implement a three-tier layer model?
Fault isolation is one of the primary purposes of the distribution layer.xx
Access layer L2 switches connect to distribution layer L3 switches, which implement routing,
quality of service, and security.
The core layer provides differentiated services to various classes of service applications at the
edge of the network.xx
The access layer provides aggregation of Layer 2 broadcast domains.
The access layer provides aggregation of Layer 2 broadcast domains.
Explanation: The access layer represents the network edge, where traffic enters or exits the
campus network. Traditionally, the primary function of an access layer switch is to provide
network access to the user. Access layer switches connect to distribution layer switches, which
implement network foundation technologies such as routing, quality of service, and security.
Two students are discussing routers and one statement that is said between them is accurate.
Which statement is that?
A directly-connected network is automatically added to the routing table of an adjacency
neighbor if both routers are Cisco routers.
A gateway of last resort is added to the routing table when the router boots up.
Remote networks can only be added after they are learned by routers through dynamic
routing protocols.
A default route provides a way for packets that do not match a specific route in the routing
table to be forwarded.
, A default route provides a way for packets that do not match a specific route in the routing
table to be forwarded.
What are two benefits of using virtualization? (Choose two.)
The operating system of the virtual machine does not require licensing when it is virtualized.
The virtual machine is no longer dependent on a specific hardware platform.
Because all virtual operating systems are contained within a single virtual network,
networking connections are simplified.
The performance of a virtual machine is faster than the performance of the operating system
running on physical hardware.
Multiple virtual machines can be running simultaneously on a single physical device.
The virtual machine is no longer dependent on a specific hardware platform.
Multiple virtual machines can be running simultaneously on a single physical device.
Students in a data networking class are reviewing materials in preparation for a quiz. Which
statement describes the operation of an access control method for shared network media?
The controlled-based access method, used on legacy bus-topology Ethernet LANs, decided the
order of each device to transmit.
In the CSMA/CD method, when two devices transmit at the same time, a collision is detected
and data is resent immediately.
The CSMA/CA method attempts to avoid collisions by having each device informing others
how long the media will be unavailable.
In a contention-based multiaccess network, each node has its own time to use the medium.
The CSMA/CA method attempts to avoid collisions by having each device informing others
how long the media will be unavailable.
Explanation: CMSA/CA does not detect collisions but attempts to avoid them by waiting before
transmitting. Each device that transmits includes the time duration that it needs for the
transmission. All other wireless devices receive this information and know how long the
medium will be unavailable.
A network administrator is designing an IPv4 addressing scheme and requires these subnets.
1 subnet of 100 hosts
EXAM QUESTIONS AND ALL CORRECT
ANSWERS 100% SOLVED AND
GUARANTEED SUCCESS
An instructor is reviewing student answers on a previous term exam to prepare for a lecture
on IPv6. What would be a good point for the instructor to make when explaining an IPv6 GUA
(global unicast address)?
It is considered a best practice to use the IPV6 GUA address of the router as the default
gateway address for Windows hosts.
It can be configured statically or assigned dynamically on a router.
It can only be configured statically on a host interface by using the ipv6 address command.
It is routable on the IPv6 internet.
It is routable on the IPv6 internet.
An administrator needs to implement a 2.4GHz WLAN that requires multiple APs. Which two
are characteristics of the 2.4GHz channels? (Choose two.)
They can provide faster data transmission for wireless clients in heavily populated wireless
networks than 5GHz channels.
Each channel is separated from the next channel by 20 MHz.
There are 11 channels for North America identified by the 802.11b standard.
If three adjacent APs are required, the non-overlapping channels 1, 21, and 41 are
recommended.
Each channel is allotted 22 MHz bandwidth.
There are 11 channels for North America identified by the 802.11b standard.
Each channel is allotted 22 MHz bandwidth.
,A technician must accommodate at least 500 subnets from address 172.16.0.0/16. What is an
appropriate subnet mask and corresponding number of available host IP addresses per subnet
to meet the requirement?
255.255.255.128 and 126 hosts
255.255.255.0 and 128 hosts
255.255.255.192 and 126 hosts
255.255.255.224 and 128 hosts
255.255.255.128 and 126 hosts
Refer to the exhibit. A PC with the MAC address of 0800.069d.3841 attached to port Fa0/8 is
sending data to a device that has the MAC address of 6400.6a5a.6821. What will the switch
do first to handle the data transfer?
The switch will add the address 0800.069d.3841 to the MAC address table.
The switch will send the frame to ports Fa0/4 and Fa0/6.
The switch will flood the frame out all ports except port Fa0/8.
The switch will send the frame to port Fa0/6.
The switch will add the address 6400.6151.6821 to the MAC address table.
The switch will add the address 0800.069d.3841 to the MAC address table.
Explanation: Every frame that enters a switch is checked for new information to learn. It does
this by examining the source MAC address of the frame and port number where the frame
entered the switch:
If the source MAC address does not exist in the MAC address table, the MAC address and
incoming port number are added to the table.
A network engineer is giving a tour of the company network operations center to a college
class. The engineer is trying to describe how a WAN and connectivity to the internet relate to
the network infrastructure. Which statement correctly describes network infrastructure and
network communication?
Communication across the internet requires application of recognized technologies and
standards.
LANs are used to connect WANs around the world.
,A LAN connects small networks to large global networks.
The internet is a worldwide collection of interconnected networks owned by an organization.
Communication across the internet requires application of recognized technologies and
standards.
Explanation: The internet is not owned by any individual or group. Ensuring effective
communication across this diverse infrastructure requires the application of consistent and
commonly recognized technologies and standards as well as the cooperation of many network
administration agencies.
A network engineer is designing a borderless switched network in a hierarchical fashion.
Which guideline might cause the engineer to implement a three-tier layer model?
Fault isolation is one of the primary purposes of the distribution layer.xx
Access layer L2 switches connect to distribution layer L3 switches, which implement routing,
quality of service, and security.
The core layer provides differentiated services to various classes of service applications at the
edge of the network.xx
The access layer provides aggregation of Layer 2 broadcast domains.
The access layer provides aggregation of Layer 2 broadcast domains.
Explanation: The access layer represents the network edge, where traffic enters or exits the
campus network. Traditionally, the primary function of an access layer switch is to provide
network access to the user. Access layer switches connect to distribution layer switches, which
implement network foundation technologies such as routing, quality of service, and security.
Two students are discussing routers and one statement that is said between them is accurate.
Which statement is that?
A directly-connected network is automatically added to the routing table of an adjacency
neighbor if both routers are Cisco routers.
A gateway of last resort is added to the routing table when the router boots up.
Remote networks can only be added after they are learned by routers through dynamic
routing protocols.
A default route provides a way for packets that do not match a specific route in the routing
table to be forwarded.
, A default route provides a way for packets that do not match a specific route in the routing
table to be forwarded.
What are two benefits of using virtualization? (Choose two.)
The operating system of the virtual machine does not require licensing when it is virtualized.
The virtual machine is no longer dependent on a specific hardware platform.
Because all virtual operating systems are contained within a single virtual network,
networking connections are simplified.
The performance of a virtual machine is faster than the performance of the operating system
running on physical hardware.
Multiple virtual machines can be running simultaneously on a single physical device.
The virtual machine is no longer dependent on a specific hardware platform.
Multiple virtual machines can be running simultaneously on a single physical device.
Students in a data networking class are reviewing materials in preparation for a quiz. Which
statement describes the operation of an access control method for shared network media?
The controlled-based access method, used on legacy bus-topology Ethernet LANs, decided the
order of each device to transmit.
In the CSMA/CD method, when two devices transmit at the same time, a collision is detected
and data is resent immediately.
The CSMA/CA method attempts to avoid collisions by having each device informing others
how long the media will be unavailable.
In a contention-based multiaccess network, each node has its own time to use the medium.
The CSMA/CA method attempts to avoid collisions by having each device informing others
how long the media will be unavailable.
Explanation: CMSA/CA does not detect collisions but attempts to avoid them by waiting before
transmitting. Each device that transmits includes the time duration that it needs for the
transmission. All other wireless devices receive this information and know how long the
medium will be unavailable.
A network administrator is designing an IPv4 addressing scheme and requires these subnets.
1 subnet of 100 hosts
