Question 251
Where is an IP packet routed if the packet does not match any routes in the routing table?
A. firewall
B. load balancer
C. central switch
D. default gateway
Question 252
Which two query types does a client make to a DNS server? (Choose two.)
A. Inverse
B. PTR
C. AAAA
D. ACK
E. DISCOVER
Question 253
What are two functions of a routing table on a network device? (Choose two.)
A. It lists the routes to drop traffic.
B. It lists the routes to a particular destination.
C. It lists the static and dynamic entries.
D. It lists hosts that are one hop away.
E. It lists entries more than two hops away.
Question 254
What does a load balancer distribute in a network environment?
A. different TCP connections to the routers
B. incoming traffic across multiple servers
C. traffic in the network by leveraging the switch architecture
D. outgoing connections to the network
Question 255
Refer to the exhibit.
Which Device limits traffic between Server 1 and Server 2?
A. Device B
B. Device C
C. Device D
D. Device E
Question 256
What is the purpose of a MAC address on a network device?
A. unique network address that identifies the network interface of a device
B. unique network interlace address that is provided by the DHCP server
C. unique hardware address that identifies the network interface of a device
D. unique hardware interface address that is provided by the central switch
Question 257
How are load balancers used in modern application deployments?
A. Turn off traffic and take down compute units, then update and bring the compute units back up.
B. Allow traffic to continue as new compute units are brought up and old compute units are taken down.
C. Allow HTTP and HTTPS traffic to continue as old compute units are discontinued before new units are brought up.
D. Bring up new compute units, test the compute units, and switch the traffic from old units to new units.
Question 258
Which protocol must be allowed on the firewall so that NTP services work properly?
A. TCP
B. ICMP
C. BGP
D. UDP
Question 259
Which protocol runs over TCP port 22?
A. SSH
B. NETCONF
C. HTTP
D. Telnet
Question 260
What is the purpose of the first three pairs of digits in a MAC address?
A. defines packet forwarding priority sent or received by the adapter
B. defines a routing identifier for the client
C. indicates vendor of the network card or adapter
D. indicates the IP address of the client in Hex
