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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. On a serial cable - the pin lead set by the DCE to tell the DTE that the DTE is allowed send data.
MPLS TTL propagation
Clear To Send
request-to-send/clear-to-send
NTP symmetric active mode
2. A CBWFQ and LLQ term referring to the bandwidth on an interface that is neither reserved nor allocated via a priority command.
remaining bandwidth
ToS byte
VRRP Master router
adjacent (OSPF)
3. A BGP path attribute that allows routers in one AS to set a value and advertise it into a neighboring AS - impacting the decision process in that neighboring AS. A smaller value is considered better. Also called the BGP metric.
ASN
subnet
MULTI_EXIT_DISC (MED)
Forward Delay
4. A numeric value between 0 and 32 (inclusive) that defines the number of beginning bits in an IP address for which all IP addresses in the same group have the same value. Alternative: The number of binary 1s beginning a subnet mask - written as a deci
Fast Secure Roaming
CDP Control Protocol
Be
prefix
5. Operation - Administration - and Maintenance.
Access Control Entry
process switching
OAM
Structure of Management Information
6. Link Access Procedure for Frame-Mode Bearer Services.
LAPF
NTP client mode
DCE
Rapid Spanning Tree Protocol
7. An integer setting for EIGRP and IGRP. Any FS route whose metric is less than this variance multiplier times the successor's metric is added to the routing table - within the restrictions of the maximum-paths command.
active mode FTP
designated router (PIM)
MLD
variance
8. Time-division multiplexing.
TDM
fully adjacent (OSPF)
maximum reserved bandwidth
Measured Round-Trip Time
9. WRED compares this setting to the average queue depth to decide whether packets should be discarded. All packets are discarded if the average queue depth rises above this maximum threshold.
LDP
maximum threshold
LSU
AAAA
10. 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
auto-negotiation
TTL scoping
Clear To Send
LSP
11. A table inside a router that holds the path attributes and NLRI known by the BGP implementation on that router.
Ready To Send
BGP table
eBGP
IP Control Protocol
12. 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.
half duplex
Ready To Send
confederation
virtual LAN
13. A time value that each wireless station must set based on the duration value found in every 802.11 frame. The time value counts down and must be equal to zero before a station is allowed to access the wireless medium. The result is a collision-avoida
network allocation vector
feasible successor
loopback circuitry
BSR
14. Aka network layer reachability information.
Modified Deficit Round-Robin
NLRI
All OSPF DR Routers
route poisoning
15. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.
PVC
isolated VLAN
customer edge
MRTT
16. Removing unwanted VLANs from a Layer 2 path.
RTP header compression
IGMPv2 Host Membership Query
Extended Superframe
VLAN filtering
17. Inside telcos' original TDM hierarchy - a unit that combines multiple DS1s into a single channel
Digital Signal Level 3
Route Distinguisher
adjacency (EIGRP)
E1 route (OSPF)
18. An individual line in an ACL.
Modular QoS CLI
Reply (EIGRP)
Access Control Entry
CTS
19. Class of Service.
CoS
weighted fair queuing
DSR
DTIM interval
20. The original standardized set of generic SNMP MIB variables - defined in RFC 1158.
totally NSSA area
DHCP snooping binding database
Loss of Frame
MIB-I
21. In BGP - a feature in which BGP routes cannot be considered to be a best route to reach an NLRI unless that same prefix exists in the router's IP routing table as learned via some IGP.
synchronization
Be bucket
active scanning
MPD
22. Low-latency queuing.
LLQ
aggregate route
Join/Prune message
NS
23. Secure Copy Protocol - one of the many ways of transferring files to and from Cisco IOS routers and switches.
Layer x PDU
VLAN
SCP
DR election (OSPF)
24. Version 4 of the IP protocol - which is the generally deployed version worldwide (at publication) - and uses 32-bit IP addresses.
half duplex
IPv4
Data Terminal Ready
marking down
25. 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.
Inform
VLAN Trunking Protocol
policy routing
DSCP
26. A message sent by a host when it wants to leave a group - addressed to the All Multicast Routers address 224.0.0.2.
WRED
confederation identifier
IGMPv2 Leave
Bootstrap Router (BSR)
27. A type of OSPF stub area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes cannot be injected into a totally stubby area.
ESF
totally stubby area
RMON collector
Lead Content Engine
28. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.
collision domain
LOS
confederation ASN
Extensible Authentication Protocol
29. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.
boot field
unicast MAC address
NSSA
partial update
30. PIM-DM is a method of routing multicast packets that depends on a flood-and-prune approach. PIM Dense Mode gets its name from the assumption that there are many receivers of a particular multicast group - close together (from a network perspective).
Measured Round-Trip Time
Multilayer Switching
stub network (OSPF)
Protocol Independent Multicast dense-mode routing protocol
31. Protects against problems caused by unidirectional links between two switches. Watches for loss of received Hello BPDUs - in which case it transitions to a loop-inconsistent state instead of transitioning to a forwarding state.
802.11g
DUAL
Assured Forwarding
Loop Guard
32. Class Selector.
WRR
not-so-stubby area
External BGP
CS
33. A term referring to the MQC service-policy command - which is used to enable a policy map on an interface.
broadcast subnet
service policy
T1
DROther
34. The process of forwarding packets through a router. Also called IP forwarding.
PIM Hello message
route redistribution
IP routing
internal BGP
35. 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.
route reflector non-client
learning state
Protocol Independent Multicast sparse-mode routing protocol
Dynamic ARP Inspection
36. A term generally describing characteristics about BGP paths that are advertised in BGP Updates.
path attribute
subnet broadcast address
Classic IOS Firewall
NLRI
37. A type of OSPF packet used to acknowledge LSU packets.
Link-State Acknowledgment
IGMPv1 Host Membership Query
full duplex
authentication method
38. Shaped round-robin.
well-known discretionary
sequence number (WFQ)
stub router (EIGRP)
SRR
39. 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.
superior BPDU
subnet ID
2Way (OSPF)
Bipolar Violation
40. 64 bits at the end of an IPv6 global address - used to uniquely identify each host in a subnet.
Dual FIFO
interface ID
OFDM
pulse code modulation
41. Link-State Update.
WFQ
Next Hop field
LSU
Multilink PPP
42. Refers to how a router views a BGP peer relationship - in which the peer is in the same AS.
DCE
MDRR
internal BGP
neighbor (OSPF)
43. Committed Burst.
Dijkstra Algorithm
CS
RPVST+
Bc
44. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.
multicast MAC address
MD5 hash
Multi-VRF CE
Control Plane Policing (CoPP)
45. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.
RMON collector
egress PE
Forward Explicit Congestion Notification
LLQ
46. With EIGRP - a timer started when a reliable (to be acknowledged) message is transmitted. For any neighbor(s) failing to respond in its RTO - the RTP protocol causes retransmission. RTO is calculated based on SRTT.
alternate mode
AS_SEQUENCE
Forwarding Equivalence Class
Retransmission Timeout
47. An early standard from AT&T for encoding analog voice as a digital signal for transmission over a TDM network. PCM requires 64 kbps - and is the basis for the DS0 speed.
GLOP addressing
totally NSSA area
pulse code modulation
distance vector
48. A prestandard (at the time of publication) wireless LAN physical layer that offers data rates in the hundreds of megabits per second.
NTP broadcast client
monitor session
802.11n
LSP
49. The router in a VRRP group that is currently actively forwarding IP packets. Conceptually the same as an HSRP Active router.
VRRP Master router
Dynamic ARP Inspection
variable-length subnet masking
discarding state
50. A Cisco IOS feature that provides reporting information to a NetFlow aggregator based on traffic flows.
shared mode
subnet
routing black hole
NetFlow