Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
100 Cards in this Set
- Front
- Back
How many collision domains exist when using a hub?
|
One
|
|
The ______________ part of a MAC address is assigned by the IEE to an organization and is composed of 24bits, or 3 bytes.
|
organizationally unique identifier (OUI)
|
|
On which layer of the OSI model do routers operate?
|
Network
|
|
What do IP extended access lists use as a basis for permitting or denying packets?
|
Source and destination addresses, source and destination ports, and protocol
|
|
To specify all hosts in the Class C IP network 192.16.8.0, what wildcard access list mask would you use?
|
0.0.0.255
|
|
What access list will allow only web traffic into network 196.15.7.0 from any client?
|
access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq www
|
|
Which router command allows you to determine whether an IP access list is enabled on a particular interface?
|
show ip interface
|
|
What router command allows you to view the entire contents of all access lists?
|
show access-lists
|
|
What causes the incrementing of runts on an interface?
|
Collisions
|
|
What is the IP extended access list range?
|
100–199 and 2000–2699
|
|
What is the dotted-decimal equivalent of /15?
|
255.254.0.0
|
|
Which command applies access list 110 inbound to an interface?
|
Router(config-if)#ip access-group 110 in
|
|
What is a network called that is used to allow limited access to certain resources from outside the LAN?
|
DMZ
|
|
lists use the numbers 1–99 or 1300–1999 and filter based on source IP address only.
|
Standard IP access
|
|
The block size of a /26 network is .
|
64
|
|
The output of the show startup-config command comes from .
|
NVRAM
|
|
What standards-based protocol works much like CDP?
|
Link Layer Discovery Protocol (LLDP)
|
|
________ lists use the range from 100 to 199 or from 2000 to 2699.
|
IP extended access
|
|
What type of mask do routes in the routing table marked with an L have?
|
/32
|
|
True/False: Area border routers can be in only one area at a time.
|
False: Any router that is member of two areas is a border router, or an area border router (ABR), by definition.
|
|
Which configuration mode and command combination sets the bandwidth metric of a Frame Relay connection to 64000 bps?
|
router(config-if)#bandwidth 64
|
|
True/False: Layer 2 switches and bridges are faster than routers because they don't take up time looking at the Data Link layer header information.
|
False
|
|
True/False: VLANs greatly reduce network security.
|
False
|
|
True/False: When a packet is being compared to an access list, it's always compared with each line of the access list in sequential order until it finds a match.
|
True
|
|
on an Ethernet network is the retransmission delay that's enforced when a collision occurs.
|
Backoff
|
|
What is the PDU called at the Data Link layer?
|
A Frame
|
|
What Application layer protocols sets up a secure session that's similar to Telnet?
|
SSH
|
|
What command, enabled by default starting with Cisco IOS version 12.x, allows the use of the first and last subnet in a network design?
|
ip subnet-zero
|
|
What mask yields only six IP addresses per subnet?
|
255.255.255.248, or /29
|
|
What prompt indicates you are at privileged mode?
|
router#
|
|
Which command backs up the Cisco IOS to a TFTP server?
|
copy flash tftp
|
|
What protocol resolves IP addresses to MAC address?
|
ARP
|
|
What command provides an excellent overview of the actual operation of all currently running protocols?
|
show ip protocols
|
|
True/False: Layer 2 switches and bridges look at the frame's hardware addresses before deciding to either forward, flood, or drop the frame.
|
True
|
|
Type the command that must be present for a layer 3 switch to provide inter-VLAN routing between the two VLANs.
|
ip routing
|
|
Type the command that creates a named extended access list called 150.
|
ip access-list extended 150
|
|
What device hosts a different subnet on each interface?
|
Router
|
|
In an Ethernet II frame, what is the function of the section labeled FCS?
|
Error detection
|
|
What mechanism is used by the client to avoid a duplicate IP address during the DHCP process?
|
Gratuitous ARP
|
|
Which type of protocol determines the path of a packet through a network: routing or routed?
|
Routing
|
|
How many subnets are contained in the network 192.168.1.0.0/27?
|
Eight
|
|
What is the HyperTerminal setting for connecting to a Cisco router?
|
9600 bps, parity None, 1 stop bit, and 8 data bits
|
|
What type of cable is used to connect to a console port of a router?
|
Rolled or rollover
|
|
What type of Ethernet cable is used to connect from a hub to a switch?
|
Crossover
|
|
The _______________ command causes the system to return you to your previous prompt after displaying a console message.
|
logging synchronous
|
|
True/False: OSPF uses cost as a metric.
|
True
|
|
What does the configuration register setting of 0x2102 do?
|
Tells the router to look in NVRAM for the boot sequence
|
|
What IP address is called the loopback address?
|
127.0.0.1
|
|
Which command can be used to determine a router's capacity to generate debug output?
|
show processes cpu
|
|
True/False: OSPF is called an advanced distance-vector routing protocol.
|
False: EIGRP is an advanced distance-vector protocol.
|
|
An IPv6 address is how many bits long?
|
128
|
|
True/False: A routing protocol determines the path of a packet through a network.
|
True
|
|
True/False: A routed protocol is assigned to an interface and determines the method of packet delivery.
|
True
|
|
How does inter-VLAN communication take place?
|
Using a router or layer 3 switch
|
|
What is shortest possible version of 2001:0db8:3c4d:0012:0000:0000:1234:56ab?
|
2001:db8:3c4d:12::1234:56ab
|
|
What type of IPv6 address is delivered to a single interface?
|
Unicast
|
|
What is the IEEE standard frame tagging method?
|
802.1q
|
|
Which switching technology reduces the size of a broadcast domain?
|
VLANs
|
|
What is the main purpose of creating VLANs?
|
To break up broadcast domains at layer 2
|
|
What is a publicly routable IPv6 address called?
|
Global unicast
|
|
What advantage is offered by LAN segmentation?
|
More bandwidth is provided to each user.
|
|
Which Class C mask can be used to provide seven subnets, each with 25 hosts?
|
255.255.255.224, or /27, although it actually provides a total of eight subnets, each with 30 hosts
|
|
______ break up broadcast domains in layer 2 switched networks.
|
Virtual LANs
|
|
_____________ links are used to carry VLAN information between switches.
|
Trunk
|
|
Access links carry traffic for how many VLAN?
|
One
|
|
The typical reason for creating network segmentation is to provide more to each user.
|
Bandwidth
|
|
What IPv6 address type is the equivalent of an Automatic Private IP Address (APIPPA) address?
|
Link-local
|
|
What is the binary equivalent of the decimal number 152?
|
10011000
|
|
What IPv6 address type is referred to as a "one-to-nearest" address?
|
Anycast
|
|
What command do you use to copy a configuration from a TFTP host to a Cisco router's DRAM on your network?
|
copy tftp running-config
|
|
Which memory in a Cisco router stores packet buffers and routing tables?
|
RAM
|
|
What IPv6 address is the equivalent of 127.0.0.1 in IPv4?
|
::1
|
|
What IPv6 suffix describes the multicast range?
|
FF00::/8
|
|
Which command will show you the IOS version running on your router?
|
sh version
|
|
The basic IPv6 header contains how many fields?
|
Eight
|
|
To copy a configuration from the Cisco router's DRAM to a TFTP host on your network, what command can you use?
|
copy run tftp
|
|
If you want to suspend a Telnet session, what keystroke combination would you use?
|
Ctrl+Shift+6, then X
|
|
The ICMPv6 packet is identified by the value 58 in the _________ field, located inside the IPv6 header.
|
Next Header
|
|
What component performs the function of Address Resolution Protocol in ICMPv6?
|
Neighbor discovery
|
|
How do IPv6 hosts receive the address of the gateway?
|
Router solicitation
|
|
Which command is used to find the path a packet takes through an internetwork?
|
traceroute
|
|
Using the prefix 2001:db8:1:1/64, convert the following MAC address into a EUI-64 address: 1020:ef01:5554.
|
2001:db8:1:1:1220:efff:fe01:5554
|
|
When hosts make up or receive an IPv6 address, they send three _______ packets out via NDP NS asking if anyone has this same address.
|
duplicate address detection (DAD)
|
|
Which command displays Cisco Discovery Protocol adjacencies?
|
show cdp neighbors
|
|
What command will show you a directly connected router's interface IP address?
|
show cdp neighbor detail
|
|
What is the IPv6 version of OSPF called?
|
OSPFv3
|
|
What is the Class C private IP address range?
|
192.168.0.0 through 192.168.255.255
|
|
You use the command to copy a configuration of a router stored on a TFTP server to a router's NVRAM.
|
copy tftp startup-config
|
|
On which types of networks will OSPF elect a backup designated router?
|
Non-broadcast and broadcast multi-access
|
|
______________ is used to store packet buffers and routing tables, among other things.
|
RAM
|
|
What is the hex equivalent of 11000111?
|
C7
|
|
The IPv6 address for an OSPF DR is _________ .
|
FF02::6
|
|
The copy running-config startup-config command copies the configuration stored in___________ to _____________ .
|
RAM, NVRAM
|
|
What format of IPv6 addressing takes the unique MAC address of a host and inserts FF:FE in the middle of the address to change a 48-bit MAC address to a 64-bit interface ID?
|
EUI-64 address
|
|
To keep open multiple ____________ sessions, use the Ctrl+Shift+6, then X keystroke combination.
|
Telnet
|
|
What is the port number for Telnet?
|
23
|
|
What is the hex equivalent of 01110101?
|
0x75. Cisco sometimes likes to show the 0x in front of hex characters.
|
|
The ping and traceroute commands can both be used to test _____________ in an internetwork.
|
IP connectivity
|
|
What standard allows the use of subnets masks other the default masks?
|
Classless Inter-Domain Routing (CIDR) allows the use of subnet masks such as 255.255.224.0
|
|
Using the prefix 2001:db8:1:1/64, convert the following MAC address into a EUI-64 address: 0b0c:abcd:1234
|
2001:db8:1:1:090c:abff:fecd:1234
|