Network

Question 1

What fields are changed with a dot1q tag?

Answer 1

FCS and tag

Question 2

What VLAN is automatically created as the native VLAN on cisco routers?

Answer 2

vlan 1

Question 3

What VLANs are used for token ring and fiber distributed data interface?

Answer 3

1002 - 1005

Question 4

When converting hexidecimal to decimal, characters are seperated into ____.

Answer 4

pairs

Question 5

When converting hexidecimal to decimal, what formula can be used to convert the pair?

Answer 5

x*16+y

Question 6

A severity level of 7 will display _________.

Answer 6

every type of log message

Question 7

A severity level of 4 will display _________.

Answer 7

warnings, errors, critical, alert, emergencies

Question 8

A severity level of 2 will display _________.

Answer 8

critical, alert, emergencies

Question 9

Which transport layer protocol does DNS use?

Answer 9

TCP and UDP

Question 10

What are three protocols that use TCP?

Answer 10

HTTP, SNMP, FTP

Question 11

What are three protocols that use UDP?

Answer 11

TFTP, DHCP, SNMP

Question 12

What is automatic 6to4 tunneling?

Answer 12

tunnels IPv6 traffic across IPv4 networks

Question 13

What is 4to6 tunneling?

Answer 13

tunnels IPv4 traffic over IPv6 network

Question 14

What stacks do IPv6 border routers require?

Answer 14

IPv4 and IPv6

Question 15

What stacks do IPv4 border routers require?

Answer 15

IPv4

Question 16

What command can be used to view vlans, duplex, speed, and type for interfaces?

Answer 16

show interfaces status

Question 17

What is the function of the FIB table?

Answer 17

forwarding information base - contains prefixes for ip routing

Question 18

If a route of 0.0.0.0 is configured, what packets are sent to this address?

Answer 18

any packets that are not specified to use another route

Question 19

Which port-security violation will place the interface into error-disabled?

Answer 19

shutdown

Question 20

Which port-security violation will create syslog messages and counters?

Answer 20

restrict and shutdown

Question 21

What is the datagram size of extended ping?

Answer 21

100 bytes

Question 22

What is the default timeout for ping?

Answer 22

2 seconds

Question 23

What is the default repeat count for ping?

Answer 23

5

Question 24

What command can be used to display IP addresses and MAC addresses of routers?

Answer 24

show interfaces

Question 25

When a packet is sent from Host A from inside your network to Host B which is outside of your network, what are the local and global address steps?

Answer 25

inside local, outside local, inside global, outside global

Question 26

When a packet is received from Host B which is outside of your network to Host A which is inside of your network, what are the local and global address steps?

Answer 26

inside global, outside global, inside local, outside local

Question 27

If CEF and an ACL log are enabled, which logging takes precedent?

Answer 27

ACL, fast-switch

Question 28

If an IP address is statically configured but also exists within the DHCP pool range, what occurs when the static IP address is assigned to a client?

Answer 28

conflict detection, remove address from DHCP

Question 29

What is required to be configured in order to allow a DHCP server on router A to communicate with devices connected to router B?

Answer 29

ip helper-address

Question 30

What command can be used to identify the lease time set for a DHCP server?

Answer 30

show run

Question 31

What command can be used to identify the default gateway?

Answer 31

show ip route

Question 32

What command can be used to view DHCP information?

Answer 32

show ip dhcp pool

Question 33

What field indicates the next ip-address that will be leased?

Answer 33

current index

Question 34

Port-security limits traffic sent _____ dynamic or static _____ addresses.

Answer 34

from, MAC

Question 35

What is the first step in password recovery for Cisco devices?

Answer 35

boot in rommon mode

Question 36

The number of networks in binary refer to the amount of ___ bits.

Answer 36

"on" or 1

Question 37

The number of hosts in binary refer to the amount of ___ bits.

Answer 37

"off" or 0

Question 38

What type of NAT is used when translating addresses to a pool of public IP addresses?

Answer 38

dynamic NAT

Question 39

What type of NAT is used when translating a single private address into a single public IP address?

Answer 39

static NAT

Question 40

What is the difference between RIPv1 and RIPv2?

Answer 40

v1 is classful, v2 is classless

Question 41

How do baby giants occur?

Answer 41

encapsulation or features that add to a frame to exceed 1,500 bytes

Question 42

What authentication can be configured for voice VLAN?

Answer 42

802.1X

Question 43

Voice VLAn is enabled by default. True or False.

Answer 43

False

Question 44

What are protocol works on both IPv4 and IPv6?

Answer 44

DNS and OSPF

Question 45

Using a ping command, what do periods and exclamation marks mean?

Answer 45

period - timeout | exclamation - successful ping

Question 46

What does ROAS usually consist of?

Answer 46

single router with trunk link to subinterfaces

Question 47

When is outbound ACL checked?

Answer 47

after received and routed to interface

Question 48

When is inbound ACL checked?

Answer 48

after received but before routed to outbound

Question 49

What is required when configuring remote management to a switch?

Answer 49

ip address ip domain-name ip default-gateway crypto key generate rsa

Question 50

What would produce u.u.u from ping?

Answer 50

unreachable error network is not on routing table gateway of last resort is not configured