Topic 1: Exam Pool A
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What is a benefit of VRRP?
A.
It provides traffic load balancing to destinations that are more than two hops from the
source.
B.
It provides the default gateway redundancy on a LAN using two or more routers.
C.
It allows neighbors to share routing table information between each other.
D.
It prevents loops in a Layer 2 LAN by forwarding all traffic to a root bridge, which then makes the final forwarding decision.
It provides the default gateway redundancy on a LAN using two or more routers.
Refer to the exhibit.
An engineer configured NAT translations and has verified that the configuration is correct.
Which IP address is the source IP?
A.
10.4.4.4
B.
10.4.4.5
C.
172.23.103.10
D.
172.23.104.4
172.23.104.4
Explanation: NAT is used to send a packet to the outside network, using a public IP
address to make it routable. The NAT logic is "inside-to-outside" FIRST and "outside-toinside"
THEN. This way, configuring NAT means "choosing a public IP address" for any
outbound packet" IN THE FIRST PLACE, where "public IP address" translates to "inside
global address". Among the given answers, the only inside global address is
172.123.104.4.
Refer to the exhibit.
What commands are needed to add a subinterface to Ethernet0/0 on R1 to 20, with IP address 10.20.20.1/24?
A.
R1(config)#interface ethernet0/0
R1(config)#encapsulation dot1q 20
R1(config)#ip address 10.20.20.1 255.255.255.0
B.
R1(config)#interface ethernet0/0.20
R1(config)#encapsulation dot1q 20
R1(config)#ip address 10.20.20.1 255.255.255.0
C.
R1(config)#interface ethernet0/0.20
R1(config)#ip address 10.20.20.1 255.255.255.0
D.
R1(config)#interface ethernet0/0
R1(config)#ip address 10.20.20.1 255.255.255.0 allow for VLAN
R1(config)#interface ethernet0/0.20
R1(config)#encapsulation dot1q 20
R1(config)#ip address 10.20.20.1 255.255.255.0
Refer to the exhibit.
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Option A
What uses HTTP messages to transfer data to applications residing on different hosts?
A.
OpenFlow
B.
OpenStack
C.
OpFlex
D.
REST
REST
How are the switches in a spine-and-leaf topology interconnected?
A.
Each leaf switch is connected to one of the spine switches.
B.
Each leaf switch is connected to two spine switches, making a loop.
C.
Each leaf switch is connected to each spine switch.
D.
Each leaf switch is connected to a central leaf switch, then uplinked to a core spine switch.
Each leaf switch is connected to two spine switches, making a loop.
Where is the interface between the control plane and data plane within the softwaredefined architecture?
A.
control layer and the infrastructure layer
B.
application layer and the infrastructure layer
C.
control layer and the application layer
D.
application layer and the management layer
control layer and the infrastructure layer
Drag and drop the functions from the left onto the correct network components on the right 
Where does the configuration reside when a helper address Is configured lo support DHCP?
A.
on the router closest to the server
B.
on the router closest to the client
C.
on every router along the path
D.
on the switch trunk interface
on the router closest to the client
In which two ways does a password manager reduce the chance of a hacker stealing a
users password? (Choose two.)
A.
It automatically provides a second authentication factor that is unknown to the original user.
B.
It uses an internal firewall to protect the password repository from unauthorized access.
C.
It protects against keystroke logging on a compromised device or web site.
D.
It stores the password repository on the local workstation with built-in antivirus and antimalware functionality
E.
It encourages users to create stronger passwords.
It protects against keystroke logging on a compromised device or web site.
It encourages users to create stronger passwords.
Which two outcomes are predictable behaviors for HSRP? (Choose two )
A.
The two routers synchronize configurations to provide consistent packet forwarding
B.
The two routers negotiate one router as the active router and the other as the standby
router
C.
Each router has a different IP address, both routers act as the default gateway on the
LAN, and traffic is load-balanced between them
D.
The two routers share a virtual IP address that is used as the default gateway for
devices on the LAN
E.
The two routers share the same interface IP address and default gateway traffic is loadbalanced
between them
The two routers negotiate one router as the active router and the other as the standby
router
The two routers share a virtual IP address that is used as the default gateway for
devices on the LAN
What is a DNS lookup operation?
A.
DNS server pings the destination to verify that it is available
B.
serves requests over destination port 53
C.
DNS server forwards the client to an alternate IP address when the primary IP is down
D.
responds to a request for IP address to domain name resolution to the DNS server
responds to a request for IP address to domain name resolution to the DNS server
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