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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. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
FRF.11-c
Join/Prune message
PAgP
remote label
2. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.
smurf attack
AAA
multicast MAC address
RTP
3. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.
E3
B8ZS
IP Control Protocol
traffic contract
4. A logical group of content engines running WCCP between them. The lead content engine determines the traffic distribution within the cluster - for optimum performance and scalability.
wireless LAN controller
confederation identifier
minimum threshold
WCCP cluster
5. Any occurrence that could change a router's EIGRP topology table - including a received Update or Query - a failed interface - or the loss of a neighbor.
input event
peak information rate
default route
PortFast
6. On a serial cable - the pin lead set by the DCE to imply that the DCE is ready to signal using pin leads
MSS
route poisoning
neighbor (OSPF)
Data Set Ready
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.
CHAP
IGMPv2 Leave
queue starvation
CS
8. A Cisco IOS queuing tool most notable for its reservation of a minimum bandwidth for each queue.
quantum value
EF
custom queuing
QoS pre-classification
9. In IPv6 - the Neighbor Discovery message used by an IPv6 node to send information about itself to its neighbors.
area (OSPF)
Committed Burst
Neighbor Advertisement
Modified Deficit Round-Robin
10. An IEEE standard that - when used with EAP - provides user authentication before their connected switch port allows the device to fully use the LAN.
NSSA
Maxage timer (STP)
IOS Intrusion Prevention System (IPS)
IEEE 802.1X
11. The portions of PPP focused on features that are related to specific Layer 3 protocols.
RSTP
Network Control Protocol
MSS
IP Source Guard
12. The ASN assigned to a confederation sub-AS.
confederation ASN
ASBR
CDPCP
Dynamic Multipoint VPN
13. Frequency hopping spread spectrum.
token bucket
Port Address Translation
Label Switch Router
FHSS
14. Challenge Handshake Authentication Protocol.
active (EIGRP)
CHAP
payload compression
SCP
15. The single port on each nonroot switch upon which the best Hello BPDU is received.
SSH
ATOMIC_AGGREGATE
root port
ingress PE
16. A queuing tool's logic by which it selects the next packet to dequeue from its many queues.
scheduler
PPP
authentication method
Dual FIFO
17. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.
remote label
configuration register
static length subnet masking
authenticator
18. Provides dynamic inspection of traffic as it traverses the router. It uses Context-Based Access Control (CBAC) to look deeper into a packet than an access list can. It tracks outbound traffic and dynamically allows in responses to that traffic.
Classic IOS Firewall
InARP
neighbor (EIGRP)
DE
19. A message sent by a multicast router - by default every 125 seconds - on each of its LAN interfaces to determine whether any host wants to receive multicast traffic for any group.
VRF table
ORIGIN
IGMPv3 Host Membership Query
Label Distribution Protocol
20. A process used in routers that are encrypting traffic to permit egress QoS actions to be taken on traffic that is being encrypted on that router. QoS pre-classification keeps a copy of each packet to be encrypted in memory long enough to take the app
IGMPv3 Host Membership Report
Feasible Distance
QoS pre-classification
administrative scoping
21. An early standard from AT&T for encoding analog voice as a digital signal for transmission over a TDM network. PCM requires 64 kbps - and is the basis for the DS0 speed.
Temporal Key Integrity Protocol
pulse code modulation
pruning
route map
22. A message sent by a router - after receiving a Leave message from a host - to determine whether there are still any active members of the group. The router uses the group address as the destination address.
IGMPv2 Group-Specific Query
CST
well-known discretionary
SRTT
23. Network Control Protocol.
stub router (OSPF)
weight (BGP)
Service Interworking
NCP
24. 16 bits between the interface ID and global routing prefix in an IPv6 global address - used for subnet assignment inside an enterprise.
subnet ID
internal DSCP
PCM
Dynamic Multipoint VPN
25. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.
LxPDU
EGP
Challenge Handshake Authentication Protocol
variable-length subnet masking
26. The structure inside telcos' original digital circuit build-out in the mid-1900s - based upon using TDM to combine and disperse smaller DS levels into larger levels - and vice versa.
TDM hierarchy
MLP
WRED
sparse-mode protocol
27. An EIGRP message that is used by a router to notify its neighbors when the router is gracefully shutting down.
authentication - authorization - and accounting
Alternate state
Goodbye (EIGRP)
marking down
28. A mechanism that counters collisions caused by hidden nodes. If enabled - the station or access point must first send an RTS frame and receive a CTS frame before sending each data frame.
request-to-send/clear-to-send
link-local
Temporal Key Integrity Protocol
LOCAL_PREF
29. An MPLS VPN term referring to any LSR that connects to customers to support the forwarding of unlabeled packets - as well as connecting to the MPLS network to support labeled packets - thereby making the LSR be on the edge between the provider and th
ISL
provider edge
Port Aggregation Protocol
Address Resolution Protocol
30. The process of successive neighboring routers exchanging LSAs such that all routers have an identical LSDB for each area to which they are attached.
DSL
LSA flooding
Class of Service
HSRP
31. Multilayer Switching.
alternate mode
client tracking
MLS
permanent multicast group
32. A list of interspersed alphanumeric literals and metacharacters that are used to apply complex matching logic to alphanumeric strings. Often used for matching AS_PATHs in Cisco routers.
regular expression
MPLS Experimental (EXP)
CDP Control Protocol
RF channel
33. A strategy for subnetting a classful network for which all masks/prefixes are the same value for all subnets of that one classful network.
CDPCP
BPDU Guard
static length subnet masking
Zone-based IOS firewall
34. Enhances RP redundancy by providing a method for RPs to exchange multicast source information - even between multicast domains.
broadcast domain
PIM Hello message
superior BPDU
Multicast Source Discovery Protocol (MSDP)
35. Network Address Translation-Protocol Translation.
IP prefix list
limiting query scope (EIGRP)
outer label
NAT-PT
36. With OSPF - the OSPF router that wins an election amongst all current neighbors. The DR is responsible for flooding on the subnet - and for creating and flooding the type 2 LSA for the subnet.
designated router (OSPF)
CoS
DiffServ
MPLS TTL propagation
37. In BGP - a configuration construct in which multiple neighbors' parameters can be configured as a group - thereby reducing the length of the configuration. Additionally - BGP performs routing policy logic against only one set of Updates for the entir
peer group
ad hoc mode
IGMP snooping
prefix
38. An 802.1w RSTP port state in which the port is an alternative Designated Port on some LAN segment.
backup state
MLD
Digital Signal Level 0
Internet Group Management Protocol
39. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.
downstream router
triggered updates
modified tail drop
WCCP cluster
40. Modular QoS CLI.
NLRI
CIR
MQC
private AS
41. A problem that occurs when an AS does not run BGP on all routers - with synchronization disabled. The routers running BGP may believe they have working routes to reach a prefix - and forward packets to internal routers that do not run BGP and do not
Rapid Per-VLAN Spanning Tree Plus
routing black hole
ATOMIC_AGGREGATE
IGMPv2 Group-Specific Query
42. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.
Forward Explicit Congestion Notification
K value
synchronization
CBWFQ
43. Defined in RFCs 1517-1520 - a scheme to help reduce Internet routing table sizes by administratively allocating large blocks of consecutive classful IP network numbers to ISPs for use in different global geographies. CIDR results in large blocks of n
LACP
classless interdomain routing
virtual circuit
full drop
44. With PIM on a multiaccess network - the PIM router with the highest IP address on the subnet. It is also the IGMPv1 Querier. The DR is responsible for the following tasks: - Sending PIM register and PIM join and prune messages toward the RP to infor
Be
designated router (PIM)
time-division multiplexing
WCCP
45. Orthogonal frequency division multiplexing.
BGP table
socket
Backward Explicit Congestion Notification
OFDM
46. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
RID
NetFlow
default route
advertised window
47. An 802.1d STP transitory port state in which the port does not send or receive frames - but does learn the source MAC addresses from incoming frames.
learning state
224.0.0.5
Inverse ARP
neighbor (OSPF)
48. Maximum Segment Size.
BSR
MSS
D4 framing
SSThresh
49. A NAT term describing an IP address representing a host that resides inside the enterprise network - with the address being used in packets inside the enterprise network.
Auto-RP
multicast
BGP
Inside Local address
50. The original standardized set of generic SNMP MIB variables - defined in RFC 1158.
network allocation vector
graceful restart (OSPF)
AS_PATH access list
MIB-I