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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. An SPF calculation for which a router does not need to run SPF for any LSAs inside its area - but instead runs a very simple algorithm for changes to LSAs outside its own area.
AR access rate.
partial SPF calculation
network layer reachability information
Neighbor Discovery Protocol
2. Dynamic Multipoint VPN.
OTP
distance vector
multicast IP address range
DMVPN
3. With private VLANs - a port that can send and receive frames with all other ports in the private VLAN.
promiscuous port
QoS pre-classification
RD
permanent multicast group
4. Cisco IOS IP Service Level Agent feature. Provides for router-generated information useful for verifying network performance on a scheduled basis - and the associated reporting functions.
IP SLA
Address Resolution Protocol
path attribute
adjacency table
5. Out of Frame.
RPF check
OOF
weighted fair queuing
EAP over LAN
6. The process of combining multiple synchronized input signals over a single medium by giving each signal its own time slot - and then breaking out those signals.
MIB-I
Cisco Express Forwarding
penultimate hop popping (PHP)
time-division multiplexing
7. Cisco-proprietary STP feature in which a switch port - known to not have a bridge or switch attached to it - transitions from disabled to forwarding state without using any intermediate states.
802.1Q-in-Q
PHP
Route Distinguisher
PortFast
8. WRED compares this setting to the average queue depth to decide whether packets should be discarded. All packets are discarded if the average queue depth rises above this maximum threshold.
stateless autoconfiguration
FIB
Address Resolution Protocol
maximum threshold
9. A type of OSPF stub area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes cannot be injected into a totally stubby area.
totally stubby area
BGP Update
DSCP
CWND
10. A 3-bit field in an ISL header used for marking frames. Also - used generically to refer to either the ISL CoS field or the 802.1Q User Priority field.
Message Digest 5
Class of Service
peak information rate
Inter-Switch Link
11. A term referring to the MQC policy-map command and its related subcommands - which are used to apply QoS actions to classes of packets.
ad hoc mode
policy map
Assured Forwarding
EGP
12. Another name for Superframe.
RA
remote label
VoFR
D4 framing
13. Link-State Refresh. A timer that determines how often the originating router should reflood an LSA - even if no changes have occurred to the LSA.
U/L bit
weight (BGP)
LSRefresh
port security
14. Authentication - authorization - and accounting.
Goodbye (EIGRP)
multipath
average queue depth
AAA
15. With a routing update - or routing table entry - the portion of a route that defines the next router to which a packet should be sent to reach the destination subnet. With routing protocols - the Next Hop field may define a router other than the rout
Next Hop field
weighted round-robin
Superframe
BackboneFast
16. 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
Maximum Segment Size
backup designated router
differentiated tail drop
17. An attack by which the attacker initiates many TCP connections to a server - but does not complete the TCP connections - by simply not sending the third segment normally used to establish the connection. The server may consume resources and reject ne
TCP SYN flood
ISATAP
passive scanning
Reverse ARP
18. A NAT term describing an IP address representing a host that resides inside the enterprise network - with the address being used in packets outside the enterprise network.
CIDR
Extensible Authentication Protocol
Inside Global address
NLRI
19. An Internet standard authentication protocol that uses secure hashes and a three-way handshake to perform authentication over a PPP link.
Challenge Handshake Authentication Protocol
RID
Holddown timer
NetFlow aggregator
20. A type of OSPF NSSA area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes can be injected into a totally NSSA area.
InARP
rendezvous point
totally NSSA area
going active
21. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on the same switch.
MLS
SPAN
LSDB
Layer 2 protocol tunneling
22. A technology that sends a high-speed data stream over multiple subcarriers simultaneously. It is highly immune to multipath interference. 802.11a and 802.11g specify the use of OFDM.
orthogonal frequency division multiplexing
maximum threshold
switched virtual circuit
VLAN
23. The All OSPF Routers multicast IP address - listened for by all OSPF routers.
NS
224.0.0.5
route poisoning
Link Access Procedure for Frame-Mode Bearer Services
24. Request-to-send/clear-to-send.
Maximum Segment Size
established
routed interface
RTS/CTS
25. A message that each host sends - either in response to a router Query message or on its own - to all multicast groups for which it would like to receive multicast traffic.
MTU
IGMPv1 Host Membership Report
6to4
broadcast address
26. The one VLAN on an 802.1Q trunk for which the endpoints do not add the 4-byte 802.1Q tag when transmitting frames in that VLAN.
P router
totally stubby area
native VLAN
Hot Standby Router Protocol
27. In IPv6 - the Neighbor Discovery message used by an IPv6 node to send information about itself to its neighbors.
community VLAN
Neighbor Advertisement
E3
aggregate route
28. Designated router.
Port Aggregation Protocol
Access Control Entry
DR
internal router (OSPF)
29. The 32-bit number used to represent an OSPF router.
fragmentation
ASBR
synchronization
router ID
30. An 802.1d STP port state in which the port sends and receives frames.
DSCP-to-threshold map
FEC
forwarding state
frequency hopping spread spectrum
31. A BGP ASN whose value is between 64 -512 and 65 -535. These values are not assigned for use on the Internet - and can be used for private purposes - typically either within confederations or by ISPs to hide the ASN used by some customers.
CSMA/CD
private AS
PCM
IGMPv2 Group-Specific Query
32. 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
Neighbor Discovery Protocol
congestion window
egress PE
33. Digital subscriber line - a common Internet service type for residential and business customers.
shaping rate
poison reverse
fraggle attack
DSL
34. An STP timer that dictates the interval at which the Root switch generates and sends Hello BPDUs.
Hello timer
IGMPv1 Host Membership Query
radio management aggregation
CDPCP
35. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
remote label
customer edge
RTP header compression
neighbor (EIGRP)
36. An NTP mode in which two or more NTP servers mutually synchronize their clocks.
policing rate
MSS
NTP symmetric active mode
client tracking
37. Flush timer.
Outside Global address
ASBR
CLP
Garbage timer
38. The algorithm used by OSPF and IS-IS to compute routes based on the LSDB.
Set (SNMP)
MLS
permanent multicast group
SPF algorithm
39. The OSPF data structure that describes topology information.
BPDU Guard
PPPoE
broadcast domain
link-state advertisement
40. A mechanism in which VLAN information can extend over another set of 802.1Q trunks by tunneling the original 802.1Q traffic with another 802.1Q tag. It allows a service provider to support transparent VLAN services with multiple customers - even if t
802.1Q-in-Q
global routing prefix
forwarding state
LOS
41. A network/subnet to which only one OSPF router is connected.
stub network (OSPF)
classless interdomain routing
Tc
outer label
42. Version 6 of the IP protocol - which uses 128-bit IP addresses.
egress PE
IPv6
mark probability denominator
IP SLA
43. Forward Explicit Congestion Notification.
synchronization
FECN
Reverse ARP
low-latency queuing
44. Defined in IEEE 802.1w - a specification to enhance the 802.1d standard to improve the speed of STP convergence.
Invalid timer
Maximum Segment Size
Rapid Spanning Tree Protocol
ad hoc mode
45. An MQC-based feature of IOS that is used to classify and mark packets for QoS purposes.
IPv4
UplinkFast
E2 route (OSPF)
Class-Based Marking
46. An optional nontransitive BGP path attribute that lists the route reflector cluster IDs through which a route has been advertised - as part of a loop-prevention process similar to the AS_PATH attribute.
NLRI
RP
CLUSTER_LIST
sequence number (OSPF)
47. An MPLS VPN term referring to an LSR that has no direct customer connections - meaning that the P router does not need any visibility into the VPN customer's IP address space.
minimum threshold
provider router
LZS
link-state routing protocol
48. The single port on each nonroot switch upon which the best Hello BPDU is received.
DHCP snooping binding database
root port
fast switching
EAP
49. Another term for Port Address Translation. See PAT.
weighted random early detection
NAT-PT
overloading
802.11n
50. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
ISATAP
Yellow Alarm
Ready To Send
LCP