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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
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certifications
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ccie
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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. 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.
provider edge
mark probability denominator
exponential weighting constant
dual token bucket
2. Operates in dense mode and depends on its own unicast routing protocol that is similar to RIP to perform its multicast functions.
ATOMIC_AGGREGATE
Distance Vector Multicast Routing Protocol
EAPoL
E1
3. 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
Border Gateway Protocol
Data Carrier Detect
RD
4. Label Switch Router.
LSR
backup designated router
SLSM
GetNext
5. A DiffServ PHB - based on DSCP EF (decimal 46) - that provides low-latency queuing behavior as well as policing protection to prevent EF traffic from starving queues for other types of traffic.
Assured Forwarding
Dead Time/Interval
Expedited Forwarding
auto-negotiation
6. Rapid Spanning Tree Protocol.
SNMP manager
RSTP
CBAC
active scanning
7. 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
sticky learning
well-known discretionary
Hot Standby Router Protocol
sub-AS
8. 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.
passive (EIGRP)
Enhanced Local Management Interface
MST
SNMP agent
9. A category used by a policer to classify packets relative to the traffic contract. With two-color policers - these packets are considered to be above the contract; for three-color - these packets are above the Bc setting - but within the Be setting.
link-local
route reflector client
CEF
exceed
10. Route Target.
MRTT
framing
RSTP
RT
11. The PPP function for fragmenting packets - plus interleaving delay-sensitive later-arriving packets between the fragments of the first packet.
MLP LFI
MSS
aggregatable global unicast address
PIM-SM (S -G) RP-bit Prune
12. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.
distance vector
IP SLA responder
DSCP-to-CoS map
policy map
13. 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.
classful routing
Protocol Independent Multicast dense-mode routing protocol
Root Guard
dual-rate - three-color policer
14. 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.
multicast IP address structure
GLBP
network type (OSPF)
stub area
15. Shaped round-robin.
Dijkstra Algorithm
sub-AS
broadcast address
SRR
16. A BGP path attribute that lists the next-hop IP address used to reach an NLRI.
shaped mode
Yellow Alarm
MSS
NEXT_HOP
17. 16 bits between the interface ID and global routing prefix in an IPv6 global address - used for subnet assignment inside an enterprise.
subnet ID
VRRP Master router
authentication method
neighbor (EIGRP)
18. Part of the Cisco IOS Firewall feature set - CBAC inspects traffic using information in the higher-layer protocols being carried to decide whether to open the firewall to specific inbound traffic. CBAC supports both UDP and TCP and multiple higher-la
Context-Based Access Control
NSSA
Classless IP Addressing
quantum value
19. 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.
Boot Protocol
VPN label
Label Forwarding Information Base
AS_PATH length
20. Voice over Frame Relay.
successor route
VoFR
Link Aggregation Control Protocol
DCE
21. A generic term that refers to the data structure used by a layer in a layered network architecture when sending data.
classless routing
interface ID
TCP header compression
protocol data unit
22. An NTP mode in which an NTP host does not adjust its clock - but in which it sends NTP messages to clients so that the clients can update their clocks based on the server's clock.
Link Aggregation Control Protocol
NTP server mode
LxPDU
stateful autoconfiguration
23. A BGP peer connection between two routers inside the same ASN - but in different confederation sub-autonomous systems.
custom queuing
MLP LFI
Link Access Procedure for Frame-Mode Bearer Services
confederation eBGP peer
24. Calculated measurement based on the actual queue depth and the previous average. Designed to allow WRED to adjust slowly to rapid changes of the actual queue depth.
LACP
average queue depth
source registration
Link Control Protocol
25. Border Gateway Protocol.
BGP
scheduler
FD
Classless IP Addressing
26. In OSPF - a number assigned to each LSA - ranging from 0x80000001 and wrapping back around to 0x7FFFFFFF - which is used to determine which LSA is most recent.
sequence number (OSPF)
DCE
promiscuous port
MRT
27. The IPv6 protocol used for the discovery of which hosts are listening for which multicast IP addresses for IPv6.
backbone area (OSPF)
Multicast Listener Discovery
CBAC
E1
28. Ethernet process by which devices attached to the same cable negotiate their speed and the duplex settings over the cable.
multipath
LDP
AES
auto-negotiation
29. Network Time Protocol.
internal DSCP
VPN label
NTP
TTL scoping
30. 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.
switched interface
full SPF calculation
LSA
feasibility condition
31. A NAT term describing the process of multiplexing TCP and UDP flows - based on port numbers - to a small number of public IP addresses. Also called NAT overloading.
direct sequence spread spectrum
Port Address Translation
community VLAN
FRF.12
32. Protocol Independent Multicast dense-mode routing protocol.
RA
broadcast subnet
NBAR
PIM-DM
33. Jargon used by STP mostly when discussing the root election process; refers to a Hello with a lower bridge ID. Sometimes refers to a Hello with the same bridge ID as another - but with better values for the tiebreakers in the election process.
superior BPDU
Digital Signal Level 0
Excess
PAP
34. Weighted tail drop.
sticky learning
FEC
GRE
WTD
35. An FRTS configuration construct - configured with the map-class frame-relay global configuration command.
map class
CIDR
Response (SNMP)
Prune Override
36. Retransmission Timeout.
outer label
Message Digest 5
EAP over LAN
RTO
37. Another term for Port Address Translation. See PAT.
virtual LAN
AES
VLAN filtering
overloading
38. The SNMP specifications - standardized in RFCs - defining the rules by which SNMP MIB variables should be defined.
feasible successor
area (OSPF)
Bc bucket
Structure of Management Information
39. The rate at which a policer limits the bits exiting or entering the policer.
passive scanning
anycast
sequence number (WFQ)
policing rate
40. A TCP variable used as the basis for a TCP sender's timer defining how long it should wait for a missing acknowledgement before resending the data.
Protocol Independent Multicast sparse-mode routing protocol
violate category
ORIGIN
Measured Round-Trip Time
41. Reported distance or Route Distinguisher.
DTP
SRTT
RD
transient multicast group
42. The RMON function of sending a notification to an RMON collector or the console. Triggered by an RMON event.
DHCP snooping
authentication server
Protocol Independent Multicast sparse-mode routing protocol
RMON alarm
43. A BGP neighbor state in which the BGP neighbors have stabilized and can exchange routing information using BGP Update messages.
established
TCP code bits
distance vector
802.1Q-in-Q
44. 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
Hello timer
Assert message
RSPAN
classful routing
45. Sequence number.
DHCP snooping binding database
SN
Point-to-Point Protocol
K value
46. A BGP feature that overcomes the requirement of a full mesh of iBGP peers inside a single AS by separating the AS into multiple sub-autonomous systems.
exponential weighting constant
Neighbor Discovery Protocol
confederation
receiver's advertised window
47. Data communications equipment.
LOCAL_PREF
UDLD
DCE
MPLS TTL propagation
48. A Cisco router feature in which the router works to prevent SYN attacks either by monitoring TCP connections flowing through the router - or by actively terminating TCP connection until the TCP connection is established and then knitting the client-s
WCCP
LLQ
TCP intercept
External BGP
49. Congestion window.
BackboneFast
maximum threshold
CWND
administratively scoped addresses
50. With RIP - a per-route timer - which is reset and grows with the Invalid timer. When the Flush timer mark is reached (default 240 seconds) - the router removes the route from the routing table - and now accepts any other routes about the failed subne
subnet
IGMPv1 Host Membership Query
Flush timer
NTP