Cisco 200-301 Practice Test - Questions Answers, Page 25
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What is a DNS lookup operation?
DNS server pings the destination to verify that it is available
serves requests over destination port 53
DNS server forwards the client to an alternate IP address when the primary IP is down
responds to a request for IP address to domain name resolution to the DNS server
Refer to the exhibit.
A network engineer must configured communication between PC A and the File Server. To prevent interruption for any other communications, which command must be configured?
Switch trunk allowed vlan 12
Switchport trunk allowed vlan none
Switchport trunk allowed vlan add 13
Switchport trunk allowed vlan remove 10-11
Which implementation provides the strongest encryption combination for the wireless environment?
WPA2 + AES
WPA + AES
WEP
WPA + TKIP
What is a characteristic of a SOHO network?
connects each switch to every other switch in the network
enables multiple users to share a single broadband connection
provides high throughput access for 1000 or more users
includes at least three tiers of devices to provide load balancing and redundancy
Refer to the exhibit.
After running the code in the exhibit, which step reduces the amount of data that the NETCONF server returns to the NETCONF client, to only the interface's configuration?
Use the Ixml library to parse the data returned by the NETCONF server for the interface's configuration.
Create an XML filter as a string and pass it to get_config() method as an argument.
Create a JSON filter as a string and pass it to the get_config() method as an argument.
Use the JSON library to parse the data returned by the NETCONF server for the interface's configuration.
Which resource is able to be shared among virtual machines deployed on the same physical server?
disk
applications
VM configuration file
operating system
Which WAN topology provides a combination of simplicity quality, and availability?
partial mesh
full mesh
point-to-point
hub-and-spoke
Which command on a port enters the forwarding state immediately when a PC is connected to it?
switch(config)#spanning-tree portfast default
switch(config)#spanning-tree portfast bpduguard default
switch(config-if)#spanning-tree portfast trunk
switch(config-if)#no spanning-tree portfast
What are two functions of an SDN controller? (Choose two)
Layer 2 forwarding
coordinating VTNs
tracking hosts
managing the topology
protecting against DDoS attacks
What is a network appliance that checks the state of a packet to determine whether the packet is legitimate?
Layer 2 switch
load balancer
firewall
LAN controller
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