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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 characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - but BGP Updates can either include the attribute or not depending on whether a related feature has been configured (d
promiscuous port
WPA
well-known discretionary
adjacent (OSPF)
2. The most significant bit in the most significant byte of an Ethernet MAC address - its value implies that the address is a unicast MAC address (binary 0) or not (binary 1).
Bipolar 8 Zero Substitution
prefix
I/G bit
Dual FIFO
3. An exterior routing protocol designed to exchange prefix information between different autonomous systems. The information includes a rich set of characteristics called path attributes - which in turn allows for great flexibility regarding routing ch
Link Control Protocol
Inside Global address
RSPAN
Border Gateway Protocol
4. Each 802.11 station periodically sends a probe request frame on each RF channel and monitors probe response frames that all access points within range send back. Stations use the signal strength of the probe response frames to determine which access
ACS
active scanning
dual token bucket
SVC
5. Carrier sense multiple access with collision detection. A media-access mechanism where devices ready to transmit data first check the channel for a carrier. If no carrier is sensed for a specific period of time - a device can transmit. If two devices
CSMA/CD
MPD
MRTT
MPLS VPNs
6. A serial-line encoding standard that sends alternating positive and negative 3-volt signals for binary 1 - and no signal (0 V) for binary 0.
source DR
active mode FTP
Alternate Mark Inversion
PIM-SM (S -G) RP-bit Prune
7. The list of entries learned by the switch DHCP snooping feature. The entries include the MAC address used as the device's DHCP client address - the assigned IP address - the VLAN - and the switch port on which the DHCP assignment messages flowed.
224.0.0.6
ISATAP
IEEE 802.1X
DHCP snooping binding database
8. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.
Protocol Independent Multicast sparse-mode routing protocol
control plane
Network Address Translation-Protocol Translation
distribution list
9. Management Information Base.
multicast state information
BGP table
MIB
Layer x PDU
10. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on a switch other than the one on which it was received.
enable secret
orthogonal frequency division multiplexing
going active
RSPAN
11. A vendor consortium that formerly worked to further Frame Relay common vendor standards.
B8ZS
Bc
Frame Relay Forum
Internet Group Management Protocol
12. The first 48 bits of an IPv6 global address - used for efficient route aggregation.
GetBulk
stub router (OSPF)
smurf attack
global routing prefix
13. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.
InARP
IOS Intrusion Prevention System (IPS)
access rate
full SPF calculation
14. An alternative software loaded into a Cisco router - used for basic IP connectivity; most useful when Flash memory is broken and you need IP connectivity to copy a new IOS image into Flash memory.
RXBOOT
marking down
Label Distribution Protocol
generic routing encapsulation
15. The operating mode of shaped round-robin that provides behavior like CBWFQ with bandwidth allocated between different traffic classes by a relative amount rather than absolute percentage of the available bandwidth.
shared mode
MRTT
auto-negotiation
route map
16. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local confederation sub-AS.
LOCAL_AS
ESF
variable-length subnet masking
collision domain
17. An MPLS LSR that can forward and receive both labeled and unlabeled packets.
local computation
2Way (OSPF)
BGP
edge LSR
18. An OSPF area into which external (type 5) LSAs are not introduced by its ABRs; instead - the ABRs originate and inject default routes into the area.
full update
Measured Round-Trip Time
link-state database
stub area
19. Cisco-proprietary STP feature in which a switch port monitors for incoming superior Hellos - and reacts to a superior Hello to prevent any switch connected to that port from becoming root.
RID
partial SPF calculation
Root Guard
Flush timer
20. The PPP function for fragmenting packets - plus interleaving delay-sensitive later-arriving packets between the fragments of the first packet.
CEF
classful routing
EUI-64
MLP LFI
21. A Cisco IOS configuration tool that can be used to match routing updates based on a base network address - a prefix - and a range of possible masks used inside the values defined by the base network address and prefix.
shaped round-robin
prefix list
FIB
NetFlow aggregator
22. A wireless LAN physical layer that operates at up to 11-Mbps data rates using DSSS in the 2.4-GHz band.
802.11b
scheduler
CBWFQ
full update
23. The router in a VRRP group that is currently actively forwarding IP packets. Conceptually the same as an HSRP Active router.
virtual LAN
VRRP Master router
generic traffic shaping (GTS)
AS_PATH prepending
24. 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.
one-time password
private VLAN
local label
BGP
25. An OSPF timer that determines how long an LSA can remain in the LSDB without having heard a reflooded copy of the LSA.
transmit power
MaxAge (OSPF)
active mode FTP
triggered updates
26. A contiguous group of data links that share the same OSPF area number.
Dynamic ARP Inspection
Alternate Mark Inversion
area (OSPF)
reported distance
27. 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.
local label
sub-AS
Time Interval (Tc)
Forward Delay
28. The process of forwarding packets through a router. Also called IP forwarding.
wireless LAN controller
IP routing
single-rate - three-color policer
map class
29. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.
EUI-64
summary route
Maximum Response Time
NLRI
30. Cisco Wireless LAN Solution Engine.
internal router (OSPF)
subnet
RSPAN
WLSE
31. Used by WRED to calculate the rate at which the average queue depth changes as compared with the current queue depth. The larger the number - the slower the change in the average queue depth.
collision domain
enhanced editing
exponential weighting constant
DHCP
32. The combination of MPLS labels and links over which a packet will be forwarded over an MPLS network - from the point of ingress to the MPLS network to the point of egress.
VRRP Master router
label switched path
Reply (EIGRP)
aggregatable global unicast address
33. Reverse ARP.
ISATAP
Voice over Frame Relay
disabled state
RARP
34. Weighted round-robin.
DCD
LCP
WRR
weighted random early detection
35. Spanning Tree Protocol.
802.11g
cross-over cable
private AS
STP
36. Border Gateway Protocol.
RITE
stub router (EIGRP)
BGP
Inter-Switch Link
37. 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.
RADIUS
PVC
Congestion Avoidance
subnet zero
38. High Density Binary 3.
actual queue depth
HDB3
loopback circuitry
framing
39. EAP over LAN.
Layer 2 protocol tunneling
finish time
EAPoL
CWND
40. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive unlabeled packets over customer links and then forward the packets as labeled packets into the MPLS network.
NEXT_HOP
CBAC
ingress PE
shaped round-robin
41. Forwarding Information Base.
Get (SNMP)
NS
FIB
Next Hop field
42. An 802.1d STP port state in which the port does not send or receive frames - except for listening for received Hello BPDUs.
adjacent-layer interaction
Neighbor Discovery Protocol
E1
blocking state
43. A router that should not be used to forward packets between other routers. Other routers will not send Query messages to a stub router.
PIM-SM (S -G) RP-bit Prune
Assured Forwarding
stub router (EIGRP)
Inverse ARP
44. A state for a route in an EIGRP topology table that indicates that the router believes that the route is stable - and it is not currently looking for any new routes to that subnet.
permanent virtual circuit
active (EIGRP)
BPDU Guard
passive (EIGRP)
45. A switch feature in which the switch examines DHCP messages and - for untrusted ports - filters all messages typically sent by servers and inappropriate messages sent by clients. It also builds a DHCP snooping binding table that is used by DAI and IP
NAT-PT
DHCP snooping
PDU
UniDirectional Link Detection
46. 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.
Voice over Frame Relay
NTP
RMON event
Data-link connection identifier
47. The range 239.0.0.0 through 239.255.255.255 that IANA has assigned for use in private multicast domains.
DCD
Rapid Spanning Tree Protocol
UniDirectional Link Detection
administratively scoped addresses
48. Network Control Protocol.
Goodbye (EIGRP)
NCP
DS field
NO_ADVERT
49. A TCP variable that defines the largest number of bytes allowed in a TCP segment's Data field. The calculation does not include the TCP header. With a typical IP MTU of 1500 bytes - the resulting default MSS would be 1460. TCP hosts must support an M
NO_EXPORT
BOOTP
Maximum Segment Size
Neighbor Advertisement
50. Distance Vector Multicast Routing Protocol.
DVMRP
Cisco Group Management Protocol
ORIGIN
DSCP-to-CoS map