Cisco 200-301 Practice Test - Questions Answers, Page 26
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When DHCP is configured on a router, which command must be entered so the default gateway is automatically distributed?
default-router
default-gateway
ip helper-address
dns-server
What is an appropriate use for private IPv4 addressing?
on the public-facing interface of a firewall
to allow hosts inside to communicate in both directions with hosts outside the organization
on internal hosts that stream data solely to external resources
on hosts that communicates only with other internal hosts
How is the native VLAN secured in a network?
separate from other VLANs within the administrative domain
give it a value in the private VLAN range
assign it as VLAN 1
configure it as a different VLAN ID on each end of the link
What is the purpose of a southbound API in a control based networking architecture?
Facilities communication between the controller and the applications
Facilities communication between the controller and the networking hardware
allows application developers to interact with the network
integrates a controller with other automation and orchestration tools.
What causes a port to be placed in the err-disabled state?
latency
port security violation
shutdown command issued on the port
nothing plugged into the port
Which switch technology establishes a network connection immediately when it is plugged in?
PortFast
BPDU guard
UplinkFast
BackboneFast
Which technology is appropriate for communication between an SDN controller and applications running over the network?
OpenFlow
REST API
NETCONF
Southbound API
Which security program element involves installing badge readers on data-center doors to allow workers to enter and exit based on their job roles?
role-based access control
biometrics
multifactor authentication
physical access control
Which network action occurs within the data plane?
compare the destination IP address to the IP routing table.
run routing protocols (OSPF, EIGRP, RIP, BGP)
make a configuration change from an incoming NETCONF RPC
reply to an incoming ICMP echo request
What is a DHCP client?
a host that is configured to request an IP address automatically
a server that dynamically assigns IP addresses to hosts
a workstation that requests a domain name associated with its IP address
a rooter that statically assigns IP addresses to hosts
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