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Host A receives a frame and discards it after determining that it is corrupt. At which OSI layer are frames checked for errors?
Application
Network
Physical
Data-link
FCS or CRC
SHOW ANSWERIdentify which of the services below use both TCP and UDP ports:
30
FTP
TFTP
DNS
SSH
SHOW ANSWEROne of the routers in your company has just received information about network 172.16.10.0/24 from multiple sources. Which of the below will the router consider as the most reliable source for network 172.16.10.0/24?
An EIGRP update for network 172.16.10.0/24
An OSPF update for network 172.16.10.0/24
A default route with a next hop address of 172.16.0.1
A directly connected interface with an IP address of 172.16.10.254/24
SHOW ANSWERWhich of the following commands is used to verify the encapsulation type on a frame relay link?
show frame-relay map
show frame-relay lmi
show frame-relay
show interfaces
SHOW ANSWERWhich of the following options are used in standard access lists?
Destination address and subnet mask.
Source address and wildcard mask
Destination address and wildcard mask
Destination address and subnet mask
SHOW ANSWERWhat would the result be when the following commands are executed on a Cisco Catalyst switch:
TechTarget-SW1 (config-if)# switchport port-security
TechTarget-SW1 (config-if)# switchport port-security mac-address sticky
The MAC address learned dynamically is saved in the switch's running-configuration.
The MAC address learned dynamically is saved in the switch's startup-configuration.
The MAC address learned dynamically is saved permanently in the VLAN database.
The statically configured MAC address is saved in the switch's running-configuration when frames from that address are received.
SHOW ANSWERWhich of the following requires that all channels in a message transmission path be of the same speed ?
Message-switched networks
Packet-switched networks
Circuit-switched networks
SHOW ANSWERFDDI is an example of which topology ?
Bus Topology
Ring Topology
Star Topology
Mesh Topology
SHOW ANSWERWhich of the following is an example of Exterior Gateway Protocol
Open Short Path First(OSPF)
Border Gateway Protocol(BGP)
Routing Information Protocol(RIP)
All of the above
SHOW ANSWERHow many fiber rings are used in the FDDI cabling ?
unicast
1
2
3
4
SHOW ANSWERFDDI access mechanism is similar to that of............
IEEE 802.5
CSMA/CD
ALOHA
IEEE 802.4
SHOW ANSWERState True of False for definition of an autonomous system(AS).
i) An AS is defined as a physical portion of a larger IP network.
ii) An AS is normally comprised of an inter-network within an organization.
i-True, ii-True
i-True, ii-False
i-False, ii-True
i-False, ii-False
SHOW ANSWERFrame relay technique uses
Circuit switching
Message switching
Connection oriented Packet switching
Hybrid switching
SHOW ANSWER
