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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 IPv6/IPv4 tunneling method that is designed for transporting IPv6 packets within a site where a native IPv6 infrastructures is not available.
Digital Signal Level 3
ISATAP
DHCP
Frame Relay Forum
2. When a Query is received from a router - each host randomly picks a time between 0 and the Maximum Response Time period to send a Report. When the host with the smallest time period first sends the Report - the rest of the hosts suppress their report
CLUSTER_LIST
MSS
Report Suppression mechanism
peak information rate
3. Typically used by protocols that perform flow control (like TCP) - a TCP window is the number of bytes that a sender can send before it must pause and wait for an acknowledgement of some of the yet-unacknowledged data.
data communications equipment
Local Management Interface
window
querier election
4. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.
Holddown timer
Rapid Per-VLAN Spanning Tree Plus
LSP
Congestion Avoidance
5. With EIGRP - the metric value for the lowest-metric route to a particular subnet.
QV
confederation ASN
Feasible Distance
MDRR
6. 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.
DD
IGMPv3 Host Membership Query
PIM-DM
DSCP-to-CoS map
7. A type of AS_PATH segment consisting of an ordered list of ASNs through which the route has been advertised.
EAPoL
SAFE Blueprint
EGP
AS_SEQUENCE
8. A time value that each wireless station must set based on the duration value found in every 802.11 frame. The time value counts down and must be equal to zero before a station is allowed to access the wireless medium. The result is a collision-avoida
VC
network allocation vector
route redistribution
enhanced editing
9. Network Address Translation-Protocol Translation.
NAT-PT
FRF.5
WRR
RF channel
10. The multicast IP address 224.0.0.5 - listened for by all OSPF routers.
All OSPF Routers
Assert message
shaped mode
quartet
11. Variable-length subnet masking.
Router Advertisement
path attribute
Route Target
VLSM
12. An individual line in an ACL.
dual token bucket
local label
ACS
Access Control Entry
13. Router ID.
OAM
RID
PIR
IP routing
14. The process of taking the IP and TCP headers of a packet - compressing them - and then uncompressing them on the receiving router.
Inverse ARP
TCP header compression
internal router (OSPF)
Wireless LAN Threat Defense Solution
15. A switch feature with which the switch watches ARP messages - determines if those messages may or may not be part of some attack - and filters those that look suspicious.
average queue depth
Prune Override
Dynamic ARP Inspection
RTP header compression
16. A calculation of the length of the AS_PATH PA - which includes 1 for each number in the AS_SEQ - 1 for an entire AS_SET segment - and possibly other considerations.
passive scanning
finish time
Digital Signal Level 1
AS_PATH length
17. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.
D4 framing
infrastructure mode
cross-over cable
Type of Service byte
18. An interface on a Cisco IOS-based switch that is treated as if it were an interface on a router.
Network Address Translation-Protocol Translation
routed interface
CLUSTER_LIST
Measured Round-Trip Time
19. A convention for IP addresses in which class A - B - and C default network prefixes (of 8 - 16 - and 24 bits - respectively) are ignored.
802.11a
Classless IP Addressing
average queue depth
LSAck
20. The number of bytes in a queue that are removed per cycle in MDRR. Similar to byte count in the custom queuing (CQ) scheduler.
Trap (SNMP)
224.0.0.6
prefix list
quantum value
21. A Cisco-proprietary Layer 2 protocol that enables a router to communicate to a switch which multicast group traffic the router does and does not want to receive from the switch.
terminal history
Class of Service
Router-Port Group Management Protocol
Hello (EIGRP)
22. A single address in each subnet for which packets sent to this address will be broadcast to all hosts in the subnet. It is the highest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.
Link-State Update
subnet broadcast address
CLUSTER_LIST
IGMPv2 Leave
23. The process of taking routes known through one routing protocol and advertising those routes with another routing protocol.
T3
NTP broadcast client
route redistribution
Auto-RP
24. The process of sending an infinite-metric route in routing updates when that route fails.
ELMI
terminal history
route poisoning
network allocation vector
25. Removing unwanted VLANs from a Layer 2 path.
querier election
High Density Binary 3
VLAN filtering
broadcast domain
26. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.
fragmentation
distribution list
Access Control Entry
SMI
27. The notation in a Cisco IOS IP routing table that identifies the route used by that router as the default route.
PAP
NetFlow
single-rate - two-color policer
gateway of last resort
28. 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.
WFQ
partial SPF calculation
CTS
29. Defined in RFC 826 - a protocol used on LANs so that an IP host can discover the MAC address of another device that is using a particular IP address.
SN
token bucket
Address Resolution Protocol
shaped round-robin
30. A Cisco-proprietary BGP feature. The administrative weight can be assigned to each NLRI and path locally on a router - impacting the local router's choice of the best BGP routes. The value cannot be communicated to another router.
VC
multicast
administrative weight
WEP
31. Defined in IEEE 802.1AD - defines a messaging protocol used to negotiate the dynamic creation of PortChannels (EtherChannels) and to choose which ports can be placed into an EtherChannel.
Spanning Tree Protocol
multipath
Alternate state
Link Aggregation Control Protocol
32. Designated router.
DR
CSMA/CD
FHSS
NetFlow aggregator
33. In IP routing - a term referring to the process of forwarding packets through a router.
data plane
WPA
dual token bucket
Context-Based Access Control
34. A configuration tool in Cisco IOS that allows basic programming logic to be applied to a set of items. Often used for decisions about what routes to redistribute - and for setting particular characteristics of those routes
fully adjacent (OSPF)
route map
variance
PPP
35. In the PIM-SM design - the process by which a source DR - after it starts to receive the group traffic - encapsulates the multicast packets in the unicast packets and sends them to the RP.
IP prefix list
source registration
DMVPN
SN
36. Data-link connection identifier.
DLCI
Digital Signal Level 3
GRE
routing black hole
37. A type of spread spectrum that spreads RF signals over the frequency spectrum by representing each data bit by a longer code. 802.11b specifies the use of DSSS.
metric
SSThresh
direct sequence spread spectrum
counting to infinity
38. Label switched path.
LSP
committed information rate
weighted fair queuing
EAP
39. A term used with WFQ for the number assigned to a packet as it is enqueued into a WFQ. WFQ schedules the currently lowest SN packet next.
stub router (OSPF)
ACS
sequence number (WFQ)
source-specific addresses
40. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets outside the enterprise network.
access link
Outside Global address
Temporal Key Integrity Protocol
Digital Signal Level 0
41. An optional transitive BGP path attribute used to store 32-bit decimal values. Used for flexible grouping of routes by assigning the group the same COMMUNITY value. Other routers can apply routing policies based on the COMMUNITY value. Used in a larg
CGMP
TCP SYN flood
NetFlow aggregator
COMMUNITY
42. An optimized Layer 3 forwarding path through a router or switch. CEF optimizes routing table lookup by creating a special - easily searched tree structure based on the contents of the IP routing table. The forwarding information is called the Forward
ForeSight
Cisco Express Forwarding
PQ
RPF check
43. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.
shaped round-robin
DHCP snooping
inspection rule
partial update
44. An IOS feature in which multiple routing tables and routing forwarding instances exist in a single router - with interfaces being assigned to one of the several VRFs. This feature allows separating of routing domains inside a single router platform.
Forwarding Information Base
Data Terminal Ready
Multi-VRF CE
Link Access Procedure for Frame-Mode Bearer Services
45. The 802.1X driver that supplies a username/password prompt to the user and sends/receives the EAPoL messages.
ELMI
inspection rule
supplicant
link-local
46. A Cisco switch feature that allows separation of ports as if they were in separate VLANs - while allowing the use of a single IP subnet for all ports.
ABR
private VLAN
upstream router
Hello (EIGRP)
47. Weighted random early detection.
receiver's advertised window
WRED
granted window
Class of Service
48. Point-to-Point Protocol.
I/G bit
WRED
PPP
NO_EXPORT_SUBCONFED
49. 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
VRRP Master router
service set identifier
VoFR
classless interdomain routing
50. An enhanced version of WEP that is part of the 802.11i standard and has an automatic key-update mechanism that makes it much more secure than WEP. TKIP is not as strong as AES in terms of data protection.
AIS
Port Address Translation
multicast IP address structure
Temporal Key Integrity Protocol