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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
ccie
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The speed at which the access link is clocked. This choice affects the price of the connection and many aspects of traffic shaping and policing - compression - quality of service - and other configuration options.
Route Tag field
ESF
AR access rate.
NCP
2. Type of Service byte.
route reflector
granted window
transient multicast group
ToS byte
3. Also called VLAN trunking - a method (using either the Cisco ISL protocol or the IEEE 802.1Q protocol) to support carrying traffic between switches for multiple VLANs that have members on more than one switch.
802.11n
Outside Global address
remote label
trunking
4. A standards-based way of helping routers find Rendezvous Points (RP). RPs notify BSRs of the groups they handle. BSRs in turn flood the group-to-RP mappings throughout the network. Each router individually determines which RP to use for a particular
generic traffic shaping (GTS)
Common Spanning Tree
Bootstrap Router (BSR)
WCCP cluster
5. A queuing scheduler's logic by which - if a particular queue has packets in it - those packets always get serviced next.
strict priority
NAT-PT
man-in-the-middle attack
MQC
6. A component that interfaces with a phone using IP and provides connections to the Public Switched Telephone Network (PSTN).
BECN
IP PBX
Digital Signal Level 3
PIM-DM
7. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.
queue starvation
classful IP addressing
2Way (OSPF)
MaxAge (OSPF)
8. As defined in RFCs 2765 and 2766 - a method of translating between IPv4 and IPv6 that removes the need for hosts to run dual protocol stacks. NAT-PT is an alternative to tunneling IPv6 over an IPv4 network - or vice versa.
LSP segment
CEF
Network Address Translation-Protocol Translation
Access Control Entry
9. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.
multicast IP address range
distribution list
priority queuing
unicast MAC address
10. A type of OSPF packet - used to communicate LSAs to another router.
CoS
promiscuous port
Link-State Update
LSDB
11. Customer edge.
OTP
synchronization
CE
Wireless LAN Threat Defense Solution
12. An FRTS configuration construct - configured with the map-class frame-relay global configuration command.
PIM Hello message
SPF calculation
forwarding state
map class
13. A TCP variable that defines the largest number of bytes allowed in a TCP segment's Data field. The calculation does not include the TCP header. With a typical IP MTU of 1500 bytes - the resulting default MSS would be 1460. TCP hosts must support an M
source registration
PVST+
IGMPv2 Host Membership Query
Maximum Segment Size
14. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
Label Forwarding Information Base
Ready To Send
weighted fair queuing
OAM
15. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.
straight-through cable
LOF
Dynamic Multipoint VPN
Maximum Response Time
16. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.
Management Information Base
shared mode
beacon
Boot Protocol
17. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.
port security
switched virtual circuit
NS
modified tail drop
18. An enhanced version of T1 framing - as compared with the earlier Superframe (D4) standard.
network allocation vector
AS_PATH
MOSPF
Extended Superframe
19. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.
TCP code bits
isolated VLAN
Measured Round-Trip Time
source-based distribution tree
20. Message sent by a PIM-DM router to a downstream router when it receives a Graft message from the downstream router; sent using the unicast address of the downstream router.
Graft Ack message
MD5
CWND
Link Fragmentation and Interleaving
21. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.
backbone area (OSPF)
IGMPv2 Host Membership Query
encoding
virtual circuit
22. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on a switch other than the one on which it was received.
routed interface
COMMUNITY
RSPAN
multicast scoping
23. A term used in this book to refer to a route that is included in a larger summary route.
InARP
component route
Data Set Ready
Neighbor Advertisement
24. A Cisco-proprietary protocol used to dynamically negotiate whether the devices on an Ethernet segment want to form a trunk and - if so - which type (ISL or 802.1Q).
association ID
Auto-RP
Dynamic Trunking Protocol
default route
25. A characteristic of OSPF interfaces that determines whether a DR election is attempted - whether or not neighbors must be statically configured - and the default Hello and Dead timer settings.
network type (OSPF)
Discard Eligible
dual stack
multicast
26. A style of attack in which an ICMP Echo is sent with a directed broadcast (subnet broadcast) destination IP address - and a source address of the host that is being attacked. The attack can result in the Echo reaching a large number of hosts - all of
Type of Service byte
feasibility condition
Wi-Fi Protected Access
smurf attack
27. Spanning Tree Protocol.
STP
UplinkFast
local label
scheduler
28. An MPLS term describing designs in which one or more MPLS customer sites can be reached from multiple other VPNs.
passive (EIGRP)
overlapping VPN
Update timer (RIP)
RD
29. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.
poison reverse
NS
P router
FT
30. A specification for the 64-bit interface ID in an IPv6 address - composed of the first half of a MAC address - hex FFFE - and the last half of the MAC.
service set identifier
designated router (PIM)
EUI-64
DSSS
31. A route that is created to represent one or more smaller component routes - typically in an effort to reduce the size of routing and topology tables.
quantum value
generic routing encapsulation
summary route
NO_EXPORT_SUBCONFED
32. A state for a route in an EIGRP topology table that indicates that the router believes that the route is stable - and it is not currently looking for any new routes to that subnet.
internal DSCP
Temporal Key Integrity Protocol
passive (EIGRP)
RSTP
33. A bit in the Frame Relay header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
IP forwarding
protocol data unit
Discard Eligible
classful routing
34. Shaped round-robin.
SRR
rendezvous point
local label
distributed coordination function
35. Network Time Protocol.
Protocol Independent Multicast sparse-mode routing protocol
CB Marking
NTP
MPLS unicast
36. Weighted tail drop.
DR election (OSPF)
association ID
WTD
RPF check
37. A Cisco-proprietary protocol that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.
Layer 2 protocol tunneling
TACACS+
UplinkFast
established
38. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
SPF calculation
6to4
adjacency table
Router Advertisement
39. A standard (RFC 903) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address. See also ARP.
hardware queue
Multicast Open Shortest Path First
path attribute
Reverse ARP
40. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.
ISL
Alternate Mark Inversion
CLP
DSCP-to-threshold map
41. The process of taking the IP and TCP headers of a packet - compressing them - and then uncompressing them on the receiving router.
MD5 hash
source registration
TCP header compression
Modular QoS CLI
42. Auto-Rendezvous Point. Cisco-proprietary protocol that can be used to designate an RP and send RP-Announce messages that advertise its IP address and groups. Also - it can be used to designate a mapping agent that interprets what IP address RP is adv
source-specific addresses
Auto-RP
feasible successor
transmit power
43. A protocol - defined in RFC 2865 - that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.
VRRP Master router
WLSE
RADIUS
RT
44. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.
Modified Deficit Round-Robin
MTU
MPLS unicast
association ID
45. A Cisco switch feature that permits limiting traffic arriving at switch ports by percentage or absolute bandwidth. Separate thresholds are available per port for unicast - multicast - and broadcast traffic.
storm control
Flush timer
prefix list
ARP
46. Network Control Protocol.
remaining bandwidth
NCP
RGMP
Forwarding Information Base
47. A message sent by each host - either in response to a router Query or on its own - to all multicast groups for which it would like to receive multicast traffic.
adjacency table
Tc
internal router (OSPF)
IGMPv2 Host Membership Report
48. Aka receiver's advertised window.
DCD
Exterior Gateway Protocol
advertised window
Diffusing Update Algorithm
49. A protection against problems caused by unidirectional links between two switches. Uses messaging between switches to detect the loop - err-disabling the port when the link is unidirectional.
WTD
Inform
UniDirectional Link Detection
RA
50. A type of logic for how a router uses a default route. When a default route exists - and no more specific match is made between the destination of the packet and the routing table - the default route is used.
Excess
Data-link connection identifier
classless routing
private VLAN