Question 1

Refer to the exhibit. The New York router is configured with static routes pointing to the Atlanta and Washington sites. Which two tasks must be performed so that the Se0/0/0 interfaces on the Atlanta and Washington routers can reach one another? (Choose two.)

Accepted Answer

A)   Configure the ipv6 route 2023::/126 2012::1 command on the Atlanta router. Configure the ipv6 route 2023::/126 2012::1 command on the Atlanta router.
B)   Configure the ipv6 route 2012::/126 2023::2 command on the Washington router. ipv6 route 2012::/126 2023::2 command on the Washington router.
C)   Configure the ipv6 route 2012::/126 2023::1 command on the Washington router. ipv6 route 2012::/126 2023::1
D)   Configure the ipv6 route 2023::/126 2012::2 command on the Atlanta router. ipv6 route 2023::/126 2012::2
E)   Configure the ipv6 route 2012::/126 s0/0/0 command on the Atlanta router. ipv6 route 2012::/126 s0/0/0F) A) and E)
G) D) and E)

Question 2

What are two benefits that the UDP protocol provide for application traffic? (Choose two.)

Accepted Answer

A)   UDP traffic has lower overhead than TCP traffic
B)   UDP provides a built-in recovery mechanism to retransmit lost packets
C)   The CTL field in the UDP packet header enables a three-way handshake to establish the connection
D)   UDP maintains the connection state to provide more stable connections than TCP
E)   The application can use checksums to verify the integrity of application dataF) None of the above
G) A) and B)

Question 3

Which state does the switch port move to when PortFast is enabled?

Accepted Answer

A)   blocking
B)   listening
C)   learning
D)   forwardingE) None of the above
F) A) and B)

Question 4

Which two protocols must be disabled to increase security for management connections to a Wireless LAN Controller? (Choose two.)

Accepted Answer

A)   HTTPS
B)   SSH
C)   HTTP
D)   Telnet
E)   TFTPF) B) and C)
G) None of the above

Question 5

In which way does a spine-and-leaf architecture allow for scalability in a network when additional access ports are required?

Accepted Answer

A)   A spine switch and a leaf switch can be added with redundant connections between them.
B)   A spine switch can be added with at least 40 GB uplinks.
C)   A leaf switch can be added with connections to every spine switch.
D)   A leaf switch can be added with a single connection to a core spine switch.E) All of the above
F) C) and D)

Question 6

Which design element is a best practice when deploying an 802.11b wireless infrastructure?

Accepted Answer

A)   allocation nonoverlapping channels to access points that are in close physical proximity to one another
B)   disabling TCP so that access points can negotiate signal levels with their attached wireless devices
C)   configuring access points to provide clients with a maximum of 5 Mbps
D)   setting the maximum data rate to 54 Mbps on the Cisco Wireless LAN ControllerE) A) and B)
F) All of the above

Question 7

Under which condition is TCP preferred over UDP?

Accepted Answer

A)   UDP is used when low latency is optimal, and TCP is used when latency is tolerable.
B)   TCP is used when dropped data is more acceptable, and UDP is used when data is accepted out-of-order.
C)   TCP is used when data reliability is critical, and UDP is used when missing packets are acceptable.
D)   UDP is used when data is highly interactive, and TCP is used when data is time-sensitive.E) All of the above
F) B) and C)

Question 8

Which two keying mechanisms are available within MACsec? (Choose two.)

Accepted Answer

A)   IKE
B)   GDOI
C)   SAP
D)   MKA
E)   Diffie-HellmanF) A) and C)
G) A) and B)

Question 9

Refer to the exhibit. How will the router handle a packet destined for 192.0.2.156?

Accepted Answer

A)   The router will forward the packet via either Serial0 or Serial1.
B)   The router will return the packet to its source.
C)   The router will forward the packet via Serial2.
D)   The router will drop the packet.E) A) and B)
F) All of the above

Question 10

Which action must be taken to assign a global unicast IPv6 address on an interface that is derived from the MAC address of that interface?

Accepted Answer

A)   explicitly assign a link-local address
B)   disable the EUI-64 bit process
C)   enable SLAAC on an interface
D)   configure a stateful DHCPv6 server on the networkE) A) and D)
F) A) and C)

Question 11

For what two purposes does the Ethernet protocol use physical addresses?

Accepted Answer

A)   to uniquely identify devices at Layer 2
B)   to allow communication with devices on a different network
C)   to differentiate a Layer 2 frame from a Layer 3 packet
D)   to establish a priority system to determine which device gets to transmit first
E)   to allow communication between different devices on the same networkF)  to allow detection of a remote device when its physical address is unknownG) A) and E)
H) A) and D)

Question 12

Which JSON data type is an unordered set of attribute-value pairs?

Accepted Answer

A)   string
B)   array
C)   Boolean
D)   objectE) A) and C)
F) A) and D)

Question 13

What are two benefits of private IPv4 IP addresses? (Choose two.)

Accepted Answer

A)   They are routed the same as public IP addresses.
B)   They are less costly than public IP addresses.
C)   They can be assigned to devices without Internet connections.
D)   They eliminate the necessity for NAT policies.
E)   They eliminate duplicate IP conflicts.F) C) and D)
G) B) and C)

Question 14

What are two benefits of using VTP in a switching environment? (Choose two.)

Accepted Answer

A)   It allows switches to read frame tags.
B)   It allows ports to be assigned to VLANs automatically.
C)   It maintains VLAN consistency across a switched network.
D)   It allows frames from multiple VLANs to use a single interface.
E)   It allows VLAN information to be automatically propagated throughout the switching environment.F) A) and B)
G) A) and C)

Question 15

What is an advantage of Cisco DNA Center versus traditional campus device management?

Accepted Answer

A)   It is designed primarily to provide network assurance.
B)   It supports numerous extensibility options, including cross-domain adapters and third-party SDKs.
C)   It supports high availability for management functions when operating in cluster mode.
D)   It enables easy autodiscovery of network elements in a brownfield deployment.E) A) and C)
F) B) and C)

Question 16

Which technology must be implemented to configure network device monitoring with the highest security?

Accepted Answer

A)   IP SLA
B)   syslog
C)   NetFlow
D)   SNMPv3E) A) and B)
F) C) and D)

Question 17

Which API is used in controller-based architectures to interact with edge devices?

Accepted Answer

A)   southbound
B)   overlay
C)   northbound
D)   underlayE) B) and C)
F) C) and D)

Question 18

Which two statements about exterior routing protocols are true? (Choose two.)

Accepted Answer

A)   They determine the optimal within an autonomous system.
B)   They determine the optimal path between autonomous systems.
C)   BGP is the current standard exterior routing protocol.
D)   Most modern networking supports both EGP and BGP for external routing.
E)   Most modern network routers support both EGP and EIGRP for external routing.F) C) and D)
G) None of the above

Question 19

Which protocol sends authentication and accounting in different requests?

Accepted Answer

A)   RADIUS
B)   TACACS+
C)   EAP-Chaining
D)   PEAP
E)   EAP-TLSF) None of the above
G) C) and D)

Question 20

Which command automatically generates an IPv6 address from a specified IPv6 prefix and MAC address of an interface?

Accepted Answer

A)   ipv6 address dhcp
B)   ipv6 address 2001:DB8:5:112::/64 eui-64
C)   ipv6 address autoconfig
D)   ipv6 address 2001:DB8:5:112::2/64 link-localE) B) and D)
F) B) and C)

Exam 4: Cisco Certified Network Associate (CCNA)

What is an advantage of Cisco DNA Center versus traditional campus device management?

Correct AnswerverifiedShow Answer

Refer to the exhibit. How will the router handle a packet destined for 192.0.2.156?

Correct AnswerverifiedShow Answer

Which protocol sends authentication and accounting in different requests?

Correct AnswerverifiedShow Answer

In which way does a spine-and-leaf architecture allow for scalability in a network when additional access ports are required?

Correct AnswerverifiedShow Answer

Which two protocols must be disabled to increase security for management connections to a Wireless LAN Controller? (Choose two.)

Correct AnswerverifiedShow Answer

Which state does the switch port move to when PortFast is enabled?

Correct AnswerverifiedShow Answer

What are two benefits that the UDP protocol provide for application traffic? (Choose two.)

Correct AnswerverifiedShow Answer

Refer to the exhibit. The New York router is configured with static routes pointing to the Atlanta and Washington sites. Which two tasks must be performed so that the Se0/0/0 interfaces on the Atlanta and Washington routers can reach one another? (Choose two.)

Correct AnswerverifiedShow Answer

Which API is used in controller-based architectures to interact with edge devices?

Correct AnswerverifiedShow Answer

Which JSON data type is an unordered set of attribute-value pairs?

Correct AnswerverifiedShow Answer

Which technology must be implemented to configure network device monitoring with the highest security?

Correct AnswerverifiedShow Answer

Which two keying mechanisms are available within MACsec? (Choose two.)

Correct AnswerverifiedShow Answer

Which design element is a best practice when deploying an 802.11b wireless infrastructure?

Correct AnswerverifiedShow Answer

What are two benefits of using VTP in a switching environment? (Choose two.)

Correct AnswerverifiedShow Answer

Which action must be taken to assign a global unicast IPv6 address on an interface that is derived from the MAC address of that interface?

Correct AnswerverifiedShow Answer

Which two statements about exterior routing protocols are true? (Choose two.)

Correct AnswerverifiedShow Answer

For what two purposes does the Ethernet protocol use physical addresses?

Correct AnswerverifiedShow Answer

What are two benefits of private IPv4 IP addresses? (Choose two.)

Correct AnswerverifiedShow Answer

Which command automatically generates an IPv6 address from a specified IPv6 prefix and MAC address of an interface?

Correct AnswerverifiedShow Answer

Under which condition is TCP preferred over UDP?

Correct AnswerverifiedShow Answer

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