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Test your basic knowledge |
CCIE Vocab
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Subjects
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certifications
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ccie
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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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 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.
CLP
NAT-PT
Multicast Open Shortest Path First
Inside Global address
2. Dynamic Host Configuration Protocol.
remote label
adaptive shaping
DUAL
DHCP
3. 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.
LOCAL_AS
PortFast
weighted round-robin
Modified Deficit Round-Robin
4. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive labeled packets from other LSRs and then forward the packets as unlabeled packets to CE routers.
egress PE
DS1
Class Selector
LDP
5. An EIGRP message that is used to ask neighboring routers to verify their route to a particular subnet. Query messages require an Ack.
Forwarding Information Base
multipath
RMON collector
Query (EIGRP)
6. Router-Port Group Management Protocol.
dual stack
RGMP
RTS/CTS
external route
7. 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.
OTP
DSCP-to-CoS map
native VLAN
DLCI
8. 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
peer group
Goodbye (EIGRP)
low-latency queuing
9. A bit inside the Frame Relay header that - when set - implies that congestion occurred in the direction opposite (or backward) as compared with the direction of the frame.
Be
Backward Explicit Congestion Notification
LSP segment
K value
10. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
T3
Excess
Committed Burst
path attribute
11. UniDirectional Link Detection.
adaptive shaping
UDLD
IP forwarding
Virtual Routing and Forwarding table
12. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
802.11g
ORIGINATOR_ID
Ready To Send
QoS pre-classification
13. 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.
Slow Start
Hold timer
SSH
orthogonal frequency division multiplexing
14. Neighbor Solicitation.
Area Border Router
IGMPv2 Leave
LOF
NS
15. Shaped round-robin.
ABR
SRR
AS_PATH length
man-in-the-middle attack
16. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
adjacency table
outer label
neighbor (EIGRP)
disabled state
17. Area Border Router. An OSPF router that connects to the backbone area and to one or more non-backbone areas.
flash updates
ABR
Smoothed Round-Trip Time
RT
18. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.
local computation
Superframe
router ID
LAPF
19. Challenge Handshake Authentication Protocol.
source DR
VRF table
service policy
CHAP
20. Common Spanning Tree.
CBWFQ
forwarding state
flash updates
CST
21. A network/subnet to which only one OSPF router is connected.
actual queue depth
service set identifier
stub network (OSPF)
DTE
22. A term used with Cisco LAN switches - referring to a DSCP value used when making QoS decisions about a frame. This value may not be the actual DSCP value in the IP header encapsulated inside the frame.
NetFlow aggregator
internal DSCP
RTP header compression
ACE
23. In OSPF - a router that is prepared to take over the designated router.
backup designated router
broadcast domain
flash updates
RTS
24. 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.
Exterior Gateway Protocol
PQ
penultimate hop popping (PHP)
regular expression
25. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local confederation sub-AS.
AS number
LOCAL_AS
route reflector
full duplex
26. 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.
Zone-based IOS firewall
outer label
maximum transmission unit
private AS
27. A BGP feature that defines the IP TTL field value in packets sent between two eBGP peers. This feature is required when using IP addresses other than the interface IP address on the link between peers.
eBGP multihop
stub network (OSPF)
router ID
FRF.12
28. With OSPF - the encapsulation of OSPF messages inside IP - to a router with which no common subnet is shared - for the purpose of either mending partitioned areas or providing a connection from some remote area to the backbone area.
virtual link
RTP header compression
Extended Superframe
authentication server
29. Defines a particular behavior for FTP regarding the establishment of data TCP connections. In active mode - the FTP client uses the FTP PORT command - over the FTP control connection - to tell the FTP server the port on which the client should be lis
Data Terminal Ready
active mode FTP
Get (SNMP)
peer group
30. For some encoding schemes - consecutive signals must use opposite polarity in an effort to reduce DC current. A BPV occurs when consecutive signals are of the same polarity.
Bipolar Violation
Auto-RP
Get (SNMP)
Protocol Independent Multicast sparse-mode routing protocol
31. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.
Frame Relay LFI Using Multilink PPP (MLP)
UDLD
Forward Explicit Congestion Notification
CIR
32. A Cisco IOS queuing tool most notable for its reservation of a minimum bandwidth for each queue.
VLSM
IGMPv2 Leave
custom queuing
Bipolar 8 Zero Substitution
33. Authentication - authorization - and accounting.
AAA
PQ
CoS
local computation
34. A Layer 3 forwarding path through a router that does not optimize the forwarding path through the router.
Excess
penultimate hop popping (PHP)
process switching
Point-to-Point Protocol
35. 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.
Next Hop field
native VLAN
IP SLA responder
request-to-send/clear-to-send
36. In MQC and CB Policing - a configuration style by which - for one category of packets (conform - exceed - or violate) - more than one marking action is defined for a single category. For example - marking DSCP and DE.
multi-action policing
User Priority
Neighbor Advertisement
Hot Standby Router Protocol
37. Data Terminal Ready.
DTR
routed interface
Distance Vector Multicast Routing Protocol
Link Fragmentation and Interleaving
38. 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.
RF channel
time-division multiplexing
Outside Local address
Graft message
39. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.
poison reverse
LZS
RSTP
authentication server
40. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.
TCP code bits
DSSS
graceful restart (OSPF)
E2 route (OSPF)
41. Any OSPF neighbor for which the database flooding process has completed.
eBGP
frequency hopping spread spectrum
unicast MAC address
adjacent (OSPF)
42. The practice of defining boundaries that determine how far multicast traffic will travel in your network.
NLPID
AIS
802.11b
multicast scoping
43. In PIM-SM - the path of the group traffic that flows from the RP to the routers that need the traffic. It is also called the root-path tree (RPT) - because it is rooted at the RP.
designated router (OSPF)
shared distribution tree
distribution list
IP Source Guard
44. A Cisco IOS feature that provides reporting information to a NetFlow aggregator based on traffic flows.
feasible successor
point coordination function
NetFlow
RADIUS
45. In the context of SNMP - the Inform command is sent by an SNMP manager to communicate a set of variables - and their values - to another SNMP manager. The main purpose is to allow multiple managers to exchange MIB information - and work together - wi
Network Control Protocol
Inform
signal-to-noise ratio
Zone-based IOS firewall
46. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.
same-layer interaction
CGMP
stateless autoconfiguration
Common Spanning Tree
47. A predefined VC. A PVC can be equated to a leased line in concept.
PPP
full update
class map
permanent virtual circuit
48. Alarm Indication Signal. With T1s - the practice of sending all binary 1s on the line in reaction to problems - to provide signal transitions and allow recovery of synchronization and framing.
AIS
External BGP
priority (OSPF)
route reflector
49. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.
receiver's advertised window
isolated VLAN
granted window
DS3
50. An 802.1d STP transitory port state in which the port does not send or receive frames - but does learn the source MAC addresses from incoming frames.
stub router (EIGRP)
remaining bandwidth
learning state
MTU
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