Practice Questions Flashcards
- Which two statements correctly describe ARP? (Choose two.)
A. resolves IP addresses to MAC addresses
B. resolves MAC addresses to IP addresses
C. has an expiration period for entries in the ARP table, usually 300 seconds for PCs
D. is turned off by default on Cisco switches
A and C
3. TCP is best for which two applications? (Choose two.) email uploading downloading video streaming
Email and downloading
Which CLI prompt indicates the correct way to set the port duplex operation to full? SwitchX(config-if)#duplex half SwitchX>duplex full SwitchX(config-if)#duplex full SwitchX(config)#full duplex
SwitchX(config-if)#duplex full
Which three IPv4 header fields were present in the IPv4 header but not in the IPv6 header? (Choosethree.) IHL type of service header checksum flags flow label
IHL
header checksum
flags
The extension headers serve which important function in IPv6 networks?
Carry optional internet layer information.
CDP neighbor discovery is used for which two of these functions? (Choose two.)
a. discover Layer 2 addresses of on-link IPv6 peers b. discover the global unicast address of the other host on the subnet c. discover the Layer 2 address of the other host on the subnet d. discover the link-local IPv6 addresses of on-link neighbors
a and c
What are three possible benefits of multi area design in OSPF?
- reduced amount of LSA flooding
- reduced number of SPF calculations
- reduced size of the routing table
Which two commands are required for a basic OSPF configuration? (Choose two.)
a. network ip-address mask area area-id
b. network ip-address wildcard-mask area area-id
c. router ospf process-id
d. ip router ospf
b and c
Show connected OSPF devices:
show IP OSPF neighbor
What is the main difference between VRRP and HSRP?
HSRP is Cisco proprietary, VRRP is industry standard
Which management protocol could you use to discover which host generates the highest volume of traffic?
NetFlow
A system administrator wants to configure an IPv4 standard numbered ACL that will allow only packets from hosts on subnet 10.1.1.0/24 to enter an interface on a router. Which ACL configuration accomplishes this goal?
A. access-list 1 permit 10.1.1.0
B. access-list 1 permit 10.1.1.0 host
C. access-list 99 permit 10.1.1.0 0.0.0.255
D. access-list 100 permit 10.1.1.0 0.0.0.255
C: for a standard IP ACL, #’s are 1-99 and 1300-1999 (extended = 100-199 and 2000-2699)
Which command would you use to identify the current IPv6 paths to remote networks stored on a router?
show ipv6 route
Which command would you use to investigate which interfaces are enabled for the EIGRP routingprocess?
show ip interfaces brief
Which two interfaces will have the lowest OSPF cost by default? Fast Ethernet T1 Gigabit Ethernet E1
FastEthernet
Gigabit Ethernet