secondary ccna quiz

1. what are two roles of Domain Name Services ( DNS )? ( Choose two)

• A. encrypts network Traffic as it travels across a WAN by default

• B. allows a single host name to be shared across more than one IP address

• C. builds a flat structure of DNS names for more efficient IP operations

• D. enables applications to identify resources by name instead of IP address

• E. improves security by protecting IP addresses under Fully Qualified Domain Names ( FQDNs)

Refer to the exhibit. the DHCP server is configured with a DHCP pool for each of the subnets represented. Which command must be configured on switch SW1 to allow DHCP clients on VLAN 10 to receive dynamic IP addresses from the DHCP server?

• A. SW1(config-if)# ip helper-address 192.168.20.2

• B. SW1(config-if)# ip helper-address 192.168.10.2

• C. SW1(config-if)# ip helper-address 192.168.10.1

• D. SW1(config-if)# ip helper-address 192.168.20.1

Which two transport layer protocols carry syslog messages? ( choose two)

• A. TCP

• B.RTP

• C. UDP

• D. IP

• E. ARP

Refer to the exhibit. Which action must be taken to ensure that router A is elected as the DR for OSPF area 0?

• A. configure router B and router C as OSPF neighbors of router A

• B. Configure the router A interfaces with the highest OSPF priority value within the area.

• C. configure the OSPF priority on router A with the lowest value between the three routers.

• D. Configure router A with a fixed OSPF router ID.

Which 802.11 frame type is Association Response?

• A. action

• B. control

• C. protected frame

• D. management

Refer to the exhibit. what does route 10.0.1.3/32 represent in the routing table?

• A. all hosts in the 10.0.1.0 subnet

• B. the 10.0.0.0 network

• C. the source 10.0.1.100

• D. a single destination address

Refer to the exhibit. An administrator must configure interfaces Gi1/1 and Gi1/3 on switch SW11. PC-1 and PC-2 must be placed in the data VLAN, and Phone-1 must be placed in the voice VLAN. which configuration meets these requirements?

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What is the benefit of configuring Portfast on an interface?

• A. Real-time voice and video frames entering the interface are processed faster.

• B. after the cable is connected, the interface uses the fastest speed setting available for that cable type.

• C. after the cable is connected, the interface is available faster to send and receive user data.

• D. the frames entering the interface are marked with higher priority and then processed faster by a switch.

which command enables HTTP access to the Cisco WLC?

• A. config network telnet enable

• B. config certificate generate webadmin

• C. config network webmode enable

• D. config network secureweb enable

An office has B floors withaproxinatey 30-40 users per floor. one subnet must be used. command must be configured on the router Switched Virtual Interface to use address efficiently?

• A. ip address 192.168.0.0 255.255.255.128

• B. ip address 192.168.0.0 255.255.255.224

• C. ip address 192.168.0.0 255.255.254.0

• D. ip address 192.168.0.0 255.255.0.0