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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 NTP mode in which two or more NTP servers mutually synchronize their clocks.
NTP symmetric active mode
CBWFQ
MOSPF
maximum transmission unit
2. With EIGRP - the metric value for the lowest-metric route to a particular subnet.
Feasible Distance
VRF Lite
enable secret
IGMP snooping
3. A communication protocol between hosts and a multicast router by which routers learn of which multicast groups' packets need to be forwarded onto a LAN.
NetFlow aggregator
adjacency (EIGRP)
Internet Group Management Protocol
learning state
4. Reliable Transport Protocol.
public wireless LAN
RTP
multicasting
All OSPF Routers
5. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
Access Control Server
LSDB
RSTP
SPF calculation
6. Another term for summary route.
aggregate route
LSA
MTU
Network Address Translation-Protocol Translation
7. With OSPF - the timer used to determine when a neighboring router has failed - based on a router not receiving any OSPF messages - including Hellos - in this timer period.
encapsulation
Dead Time/Interval
Local Management Interface
mincir
8. 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.
superior BPDU
IGMPv1 Host Membership Query
radio management aggregation
cross-over cable
9. 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.
sequence number (WFQ)
Alternate state
PHP
ingress PE
10. Data Set Ready.
RID
Data Carrier Detect
Get (SNMP)
DSR
11. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.
TCP intercept
RTP
Modified Deficit Round-Robin
successor route
12. A Cisco IOS feature that performs deep packet inspection to classify packets based on application layer information.
Network Based Application Recognition
PAP
Database Description
DHCP snooping
13. Designed to solve the problems of multicast duplication and multicast routing loops. For every multicast packet received - a multicast router examines its source IP address - consults its unicast routing table - determines which interface it would us
VoFR
IGMP snooping
PE
RPF check
14. Also known as triggered updates.
DHCP snooping
input event
half duplex
flash updates
15. Address Resolution Protocol. 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.
ARP
SPF algorithm
Context-Based Access Control
variance
16. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.
Layer 2 payload compression
Class of Service
pulse code modulation
stub network (OSPF)
17. A set of four hex digits listed in an IPv6 address. Each quartet is separated by a colon.
VRRP
Root Guard
quartet
modified tail drop
18. As defined in RFC 3623 - graceful restart allows for uninterrupted forwarding in the event that an OSPF router's OSPF routing process must restart. The router does this by first notifying the neighbor routers that the restart is about to occur; the n
AIS
graceful restart (OSPF)
DS1
dual-rate - three-color policer
19. The ASN assigned to a confederation sub-AS.
IPCP
confederation ASN
EAP
payload compression
20. Similar to an appliance firewall - in that interfaces are placed into security zones. Traffic is allowed between interfaces in the same zone. You can apply policies to filter and control traffic between zones.
adaptive shaping
time-division multiplexing
Zone-based IOS firewall
radio management aggregation
21. WRED compares this setting to the average queue depth to decide whether packets should be discarded. No packets are discarded if the average queue depth falls below this minimum threshold.
minimum threshold
authentication server
VLSM
NSSA
22. Switched virtual circuit.
ToS byte
DE
committed information rate
SVC
23. Timer An STP timer that dictates how long a port should stay in the listening state and the learning state.
path attribute
Forward Delay
disabled state
default route
24. VTP process that prevents the flow of broadcasts and unknown unicast Ethernet frames in a VLAN from being sent to switches that have no ports in that VLAN.
Class Selector
224.0.0.6
DSSS
VTP pruning
25. A BGP path attribute that implies how the route was originally injected into some router's BGP table.
one-time password
ORIGIN
ND
solicited node multicast
26. Weighted tail drop.
PortFast
Area Border Router
maximum transmission unit
WTD
27. Another name for 802.1Q-in-Q. See 802.1Q-in-Q.
enable secret
TCP header compression
Layer 2 protocol tunneling
LSA flooding
28. A type of OSPF packet used to discover neighbors - check for parameter agreement - and monitor the health of another router.
SPF algorithm
service set identifier
Response (SNMP)
Hello (OSPF)
29. A contiguous group of data links that share the same OSPF area number.
LOF
FRF.5
area (OSPF)
BSR
30. Dynamic Multipoint VPN.
LCP
RMON alarm
DMVPN
subnet ID
31. Operation - Administration - and Maintenance.
CST
BGP Update
DSR
OAM
32. A protocol used for reliable multicast and unicast transmissions. Used by EIGRP.
Reliable Transport Protocol
Update timer (RIP)
link-state database
Gateway Load Balancing Protocol
33. On a serial cable - the pin lead set by the DCE to imply a working link.
Route Target
Data Carrier Detect
transmit power
802.11n
34. A message sent by a host when it wants to leave a group - addressed to the All Multicast Routers address 224.0.0.2.
FHSS
multicast IP address structure
IGMPv2 Leave
Boot Protocol
35. 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
AAA
RTP header compression
TCP SYN flood
PQ
36. 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.
fully adjacent (OSPF)
neighbor state
priority (OSPF)
CE
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
Port Aggregation Protocol
priority queuing
peer group
Auto-RP
38. IP multicast address range from 224.0.0.0 through 239.255.255.255.
multicast IP address range
MPLS Experimental (EXP)
Outside Local address
DAI
39. 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.
Alternate Mark Inversion
anycast
private AS
SAFE Blueprint
40. 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.
subnet mask
Dual FIFO
Dynamic ARP Inspection
variable-length subnet masking
41. In MPLS - the mapping of an IP prefix and a label - which is then advertised to neighbors using LDP.
WTD
label binding
custom queuing
SSThresh
42. Network Layer Protocol ID is a field in the RFC 2427 header that is used as a Protocol Type field in order to identify the type of Layer 3 packet encapsulated inside a Frame Relay frame.
SPF algorithm
NLPID
ATOMIC_AGGREGATE
data communications equipment
43. Structure of Management Information.
Multicast Listener Discovery
SMI
COMMUNITY
Assert message
44. 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.
LSAck
Route Distinguisher
partial SPF calculation
modified tail drop
45. 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
alternate mode
provider edge
terminal history
solicited node multicast
46. Priority queue and priority queuing.
neighbor state
ISL
PQ
virtual IP address
47. In TCP - a TCP host sets the TCP header's Window field to the number of bytes it allows the other host to send before requiring an acknowledgement. In effect - the receiving host - by stating a particular window size - grants the sending host the rig
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48. The original MPLS protocol used to advertise the binding (mapping) information about each particular IP prefix and associated label. It is slightly different from LDP - but functionally equivalent. See also LDP.
Graft message
label binding
Tag Distribution Protocol
Bc
49. An MPLS term referring to any device that can forward packets that have MPLS labels.
quantum value
Label Switch Router
Dijkstra Algorithm
Neighbor Discovery Protocol
50. Inside telcos' original TDM hierarchy - a unit that combines multiple DS1s into a single channel
PPPoE
frequency hopping spread spectrum
T3
Digital Signal Level 3