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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. A type of AS_PATH segment consisting of an ordered list of ASNs through which the route has been advertised.
full SPF calculation
AS_SEQUENCE
Congestion Avoidance
BECN
2. Defined in IEEE 802.1d - a protocol used on LAN bridges and switches to dynamically define a logical network topology that allows all devices to be reached - but prevents the formation of loops.
Spanning Tree Protocol
Root Guard
RITE
sequence number (WFQ)
3. The RFC 1997 name for the reserved COMMUNITY path attribute known to Cisco IOS as LOCAL_AS. (See LOCAL_AS.)
optional nontransitive
sub-AS
NO_EXPORT_SUBCONFED
area (OSPF)
4. Orthogonal frequency division multiplexing.
designated router (OSPF)
DTE
OFDM
route reflector client
5. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.
Loss of Frame
priority (OSPF)
MSS
IGMPv3 Host Membership Query
6. Any OSPF neighbor for which the database flooding process has completed.
downstream router
fully adjacent (OSPF)
Source-Specific Multicast (SSM)
EAPoL
7. Forward Explicit Congestion Notification.
actual queue depth
RMON collector
Gateway Load Balancing Protocol
FECN
8. Jargon used to refer to the first of two buckets in the dual token bucket model; its size is Bc.
Cell Loss Priority
multicast scoping
IP SLA
Bc bucket
9. Extended Superframe.
spread spectrum
ESF
DCD
virtual LAN
10. Often used synonymously with neighbor - but with emphasis on the fact that all required parameters match - allowing routing updates to be exchanged between the routers.
MULTI_EXIT_DISC (MED)
Maximum Segment Size
Feasible Distance
adjacency (EIGRP)
11. 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).
PAgP
Dynamic Trunking Protocol
Congestion Avoidance
orthogonal frequency division multiplexing
12. 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.
LSR
SN
pulse code modulation
configuration register
13. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should forward the attribute unchanged (tran
downstream router
Ack (EIGRP)
optional transitive
LSP
14. Operates in dense mode and depends on its own unicast routing protocol that is similar to RIP to perform its multicast functions.
Distance Vector Multicast Routing Protocol
provider edge
permanent virtual circuit
client tracking
15. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli
Auto-RP
administrative weight
Reply (EIGRP)
U/L bit
16. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.
Label Switch Router
AutoQos
differentiated tail drop
AS_PATH access list
17. The RMON function of tracking a particular variable. RMON events trigger RMON alarms.
RMON event
Multilink PPP
PAP
TDM hierarchy
18. Port Aggregation Protocol.
control plane
PAgP
Class-Based Weighted Fair Queuing
RTS/CTS
19. Instead of advertising all routes out a particular interface - the routing protocol omits the routes whose outgoing interface field matches the interface out which the update would be sent.
designated router (PIM)
AAA
loopback circuitry
split horizon
20. A T1 alarm state that occurs when a device receives a Yellow Alarm signal. This typically means that the device on the other end of the line is in a Red Alarm state.
Flush timer
provider router
Yellow Alarm
access link
21. A term used in this book to refer to a route that is included in a larger summary route.
PPPoE
component route
EAP over LAN
average queue depth
22. From a Layer 1 perspective - the process of using special strings of electrical signals over a transmission medium to inform the receiver as to which bits are overhead bits - and which fit into individual subchannels.
DCD
default route
framing
RMON event
23. Ethernet feature in which a NIC or Ethernet port can both transmit and receive at the same instant in time. It can be used only when there is no possibility of collisions. Loopback circuitry on NIC cards is disabled to use full duplex.
FRF.8
full duplex
RARP
2Way (OSPF)
24. A 64-bit extension to the BGP NLRI field - used by MPLS for the purpose of making MPLS VPN customer routes unique in spite of the possibility of overlapping IPv4 address spaces in different customer networks.
COMMUNITY
ESF
Route Distinguisher
Protocol Independent Multicast sparse-mode routing protocol
25. EIGRP (and IGRP) allows for the use of bandwidth - load - delay - MTU - and link reliability; the K values refer to an integer constant that includes these five possible metric components. Only bandwidth and delay are used by default - to minimize re
K value
Committed Burst
Garbage timer
penultimate hop popping (PHP)
26. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.
ORIGINATOR_ID
priority queuing
MD5 hash
Point-to-Point Protocol
27. Inverse ARP.
differentiated tail drop
RADIUS
Expedited Forwarding
InARP
28. Maximum Segment Size.
remote label
MSS
RF channel
Clear To Send
29. VLAN Trunking Protocol.
soft reconfiguration
Classless IP Addressing
VTP
Boot Protocol
30. A DiffServ PHB that defines eight values that provide backward compatibility with IP Precedence.
Auto-RP
Class Selector
Password Authentication Protocol
DAI
31. The process of taking routes known through one routing protocol and advertising those routes with another routing protocol.
label switched path
data plane
Report Suppression mechanism
route redistribution
32. Defined in IEEE 802.1s - a specification for multiple STP instances when using 802.1Q trunks
PCM
violate category
WPA
Multiple Spanning Trees
33. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should remove the attribute before advertisi
optional nontransitive
DSR
MSS
Digital Signal Level 0
34. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.
inspection rule
traffic contract
Extended Superframe
Voice over Frame Relay
35. A Cisco IOS configuration tool for RIP and EIGRP for which the list matches routes in routing updates - and adds a defined value to the sent or received metric for the routes. The value added to the metric is the offset.
Zone-based IOS firewall
Backward Explicit Congestion Notification
Class Selector
offset list
36. The RMON function of sending a notification to an RMON collector or the console. Triggered by an RMON event.
component route
OFDM
active scanning
RMON alarm
37. Any other router - sharing a common data link - with which a router exchanges Hellos - and for which the parameters in the Hello pass the parameter-check process.
neighbor state
virtual LAN
neighbor (OSPF)
Network Based Application Recognition
38. Committed Burst.
aggregatable global unicast address
low-latency queuing
LCP
Bc
39. Inside telcos' original TDM hierarchy - the smallest unit of transmission at 64 kbps.
E1 route (OSPF)
DSCP
Wi-Fi Protected Access
Digital Signal Level 0
40. The destination VLAN for an RSPAN session.
SVC
virtual link
network allocation vector
Remote VLAN
41. Message sent by a PIM-DM router to its upstream router asking to quickly restart forwarding the group traffic; sent using the unicast address of the upstream router.
IGMPv1 Host Membership Report
discarding state
Graft message
Class Selector
42. 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.
spread spectrum
PHP
regular expression
MD5
43. In MPLS - a term used to define a label that an LSR allocates and then advertises to neighboring routers. The label is considered "local" on the router that allocates and advertises the label.
tail drop
Operation - Administration - and Maintenance
local label
Diffusing Update Algorithm
44. A router that should either permanently or temporarily not be used as a transit router. Can wait a certain time after OSPF process start - or after BGP notifies OSPF that BGP has converged - before ceasing to be a stub router.
route reflector server
stub router (OSPF)
data terminal equipment
Cisco Group Management Protocol
45. Jargon referring to a policer action through which - instead of discarding an out-of-contract packet - the policer marks a different IPP or DSCP value - allowing the packet to continue on its way - but making the packet more likely to be discarded la
marking down
PDU
partial update
native VLAN
46. 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.
minimum CIR
FD
Classic IOS Firewall
granted window
47. Another term for summary route.
aggregate route
policy map
FIB
Backward Explicit Congestion Notification
48. Generic routing encapsulation.
Inter-Switch Link
GRE
Be bucket
mincir
49. Message Digest 5.
ATOMIC_AGGREGATE
MD5
proxy ARP
modified tail drop
50. A set of all devices for which any frame sent by one of the devices would collide with any frames transmitted at the same time by any of the other devices in the set.
BGP
routing black hole
EAP over LAN
collision domain