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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. With EIGRP - a purposefully slowly changing measurement of round-trip time between neighbors - from which the EIGRP RTO is calculated.
802.1Q
iBGP
Smoothed Round-Trip Time
multicast MAC address
2. Feasible distance.
Backward Explicit Congestion Notification
adjacent (OSPF)
FD
CSMA/CD
3. Router Advertisement.
BECN
backbone area (OSPF)
differentiated tail drop
RA
4. An attack similar to a smurf attack - but using packets for the UDP Echo application instead of ICMP.
active (EIGRP)
LACP
Label Forwarding Information Base
fraggle attack
5. 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
RPF check
Diffusing Update Algorithm
autonomous system
going active
6. Committed information rate.
VTP pruning
NTP broadcast client
authentication
CIR
7. Wi-Fi Protected Access. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.
WPA
Rapid Spanning Tree Protocol
active mode FTP
graceful restart (OSPF)
8. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
Maxage timer (STP)
source DR
transit router (OSPF)
Congestion Avoidance
9. The innermost MPLS header in an packet traversing an MPLS VPN - with the label value identifying the forwarding details for the egress PE's VRF associated with that VPN.
actual queue depth
CB Marking
VPN label
LFIB
10. The term referring to a group of iBGP routers in a confederation - with the group members being assigned a hidden ASN for the purposes of loop avoidance.
sub-AS
straight-through cable
internal router (OSPF)
multicast state information
11. 64 bits at the end of an IPv6 global address - used to uniquely identify each host in a subnet.
private VLAN
supplicant
network type (OSPF)
interface ID
12. A type of logic for how a router uses a default route. When a default route exists - and the class A - B - or C network for the destination IP address does not exist in the routing table - the default route is used. If any part of that classful netwo
PQ
classful routing
IP Control Protocol
NO_ADVERT
13. Regeneration of the Layer 2 encapsulation removed from frames forwarded in a SPAN session.
encapsulation replication
customer edge
administrative weight
querier election
14. Used by RRs to denote the RID of the iBGP neighbor that injected the NLRI into the AS.
distance vector
Class-Based Weighted Fair Queuing
ORIGINATOR_ID
external route
15. Multicast Open Shortest Path First.
cross-over cable
authentication server
adjacency table
MOSPF
16. 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
graceful restart (OSPF)
route map
direct sequence spread spectrum
smurf attack
17. Direct sequence spread spectrum.
DSSS
custom queuing
Router Advertisement
DTP
18. The mandatory contention-based 802.11 access protocol that is also referred to as CSMA/CA.
distributed coordination function
permanent multicast group
MIB
Forwarding Information Base
19. 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
cross-over cable
route reflector server
Dead Time/Interval
K value
20. On a serial cable - the pin lead set by the DCE to imply a working link.
provider router
peer group
Data Carrier Detect
AMI
21. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
Hot Standby Router Protocol
transit network (OSPF)
PVC
Access Control Server
22. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.
Spanning Tree Protocol
DiffServ
straight-through cable
TTL scoping
23. Reverse ARP.
TDM
IP prefix list
DLCI
RARP
24. 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
VRRP
Structure of Management Information
External BGP
25. Spanning Tree Protocol.
Be
maximum transmission unit
STP
split horizon
26. Defines a particular behavior for FTP regarding the establishment of TCP data connections. In passive mode - an FTP server uses the FTP PORT command - over the FTP control connection - to tell the FTP client the port on which the server will be liste
LOF
passive mode FTP
solicited node multicast
FRF.8
27. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets inside the enterprise network.
socket
ESF
Port Aggregation Protocol
Outside Local address
28. Time-division multiplexing.
adjacent-layer interaction
TDM
map class
NTP broadcast client
29. A BGP term referring to an IP prefix and prefix length.
network layer reachability information
Multilayer Switching
NTP broadcast client
Neighbor Discovery Protocol
30. A queuing scheduler's logic by which - if a particular queue has packets in it - those packets always get serviced next.
DCD
egress PE
strict priority
provider edge
31. The operating mode of shaped round-robin that provides a low-latency queue with policing.
shaped mode
transit router (OSPF)
data communications equipment
CDP Control Protocol
32. The rate at which a policer limits the bits exiting or entering the policer.
RTO
policing rate
client tracking
PAgP
33. In the context of SNMP - the Set command is sent by an SNMP manager - to an agent - requesting that the agent set a single identified variable to the stated value. The main purpose is to allow remote configuration and remote operation - such as shutt
FIB
Set (SNMP)
Goodbye (EIGRP)
CLP
34. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.
TDM hierarchy
Common Spanning Tree
WCCP cluster
granted window
35. Receivers subscribe to an (S -G) channel when they request to join a multicast group. That is - they specify the unicast IP address of their multicast source and the group multicast address. SSM is typically used in very large multicast deployments s
subnet zero
Source-Specific Multicast (SSM)
CGMP
RSTP
36. A prestandard (at the time of publication) wireless LAN physical layer that offers data rates in the hundreds of megabits per second.
Wireless LAN Threat Defense Solution
802.11n
Hello (EIGRP)
RGMP
37. Cisco IOS router feature by which a route map determines how to forward a packet - typically based on information in the packet other than the destination IP address.
policy routing
Challenge Handshake Authentication Protocol
SCP
VLAN Trunking Protocol
38. A Cisco switch feature that permits limiting traffic arriving at switch ports by percentage or absolute bandwidth. Separate thresholds are available per port for unicast - multicast - and broadcast traffic.
actual queue depth
DTR
storm control
component route
39. An address type in IPv6 networks that is used only on the local link and never beyond that scope.
NLPID
advertised window
modified tail drop
link-local
40. The MD5-encoded password defined by the enable secret command.
receiver's advertised window
enable secret
peer group
stuck-in-active
41. Controls the distribution of multicast traffic by checking the TTL values configured on the interfaces. It forwards the multicast packet only on those interfaces whose configured TTL value is less than or equal to the TTL value of the multicast packe
NAT-PT
LCP
TTL scoping
Remote VLAN
42. Maximum transmission unit.
upstream router
MTU
PortFast
EAPoL
43. The first 4 bits of the first octet must be 1110. The last 28 bits are unstructured.
multicast IP address structure
totally NSSA area
Port Address Translation
rendezvous point
44. Enhances RP redundancy by providing a method for RPs to exchange multicast source information - even between multicast domains.
Multicast Source Discovery Protocol (MSDP)
Expedited Forwarding
Web Cache Communication Protocol
Flush timer
45. An ITU standard Frame Relay header - including the DLCI - DE - FECN - and BECN bits in the LAPF header - and a frame check in the LAPF trailer.
auto-negotiation
distance vector
active (EIGRP)
Link Access Procedure for Frame-Mode Bearer Services
46. A generic term that refers to the data structure used by a layer in a layered network architecture when sending data.
NetFlow aggregator
TCP code bits
adjacent-layer interaction
protocol data unit
47. The multicast addresses assigned by IANA.
permanent multicast group
network type (OSPF)
nested policy maps
weighted fair queuing
48. 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
QoS pre-classification
inspection rule
Ready To Send
multicasting
49. Distance Vector Multicast Routing Protocol.
DVMRP
WLSE
Data Terminal Ready
Password Authentication Protocol
50. In switch port security - the process whereby the switch dynamically learns the MAC address(es) of the device(s) connected to a switch port - and then adds those addresses to the running configuration as allowed MAC addresses for port security.
sticky learning
All OSPF Routers
IP Precedence
synchronization