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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
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. A Cisco IOS configuration tool for RIP and EIGRP for which the list matches routes in routing updates - and adds a defined value to the sent or received metric for the routes. The value added to the metric is the offset.
input event
FRF
AF
offset list
2. 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.
signal-to-noise ratio
adjacency (EIGRP)
passive (EIGRP)
Per-VLAN Spanning Tree Plus
3. An EIGRP message that is used by neighbors to reply to a query. Reply messages require an Ack.
DHCP snooping binding database
Reply (EIGRP)
ForeSight
adjacency (EIGRP)
4. Label switched path.
LSP
Flush timer
RPVST+
LAPF
5. In an IOS confederation configuration - the actual ASN as seen by eBGP peers.
Discard Eligible
MIB
ForeSight
confederation identifier
6. Defined in RFCs 1517-1520 - a scheme to help reduce Internet routing table sizes by administratively allocating large blocks of consecutive classful IP network numbers to ISPs for use in different global geographies. CIDR results in large blocks of n
pruning
eBGP
Report Suppression mechanism
classless interdomain routing
7. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel
Digital Signal Level 1
RITE
CE
adaptive shaping
8. A Cisco-proprietary BGP feature. The administrative weight can be assigned to each NLRI and path locally on a router - impacting the local router's choice of the best BGP routes. The value cannot be communicated to another router.
Fast Secure Roaming
NEXT_HOP
Get (SNMP)
administrative weight
9. Digital Signal Level 3.
Forwarding Equivalence Class
TCP flags
DS3
Maximum Response Time
10. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.
traffic contract
WTD
Smoothed Round-Trip Time
RTP header compression
11. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.
single-rate - two-color policer
IGMPv2 Group-Specific Query
cross-over cable
Port Address Translation
12. Typically used by protocols that perform flow control (like TCP) - a TCP window is the number of bytes that a sender can send before it must pause and wait for an acknowledgement of some of the yet-unacknowledged data.
window
AS number
switched interface
route redistribution
13. Hot Standby Router Protocol.
VRF table
terminal history
OTP
HSRP
14. The PDU used by a particular layer of a networking model - with x defining the layer.
transient multicast group
passive mode FTP
Layer x PDU
PIR
15. Multilayer Switching.
ASBR
MLS
Address Resolution Protocol
active scanning
16. A WRED process by which WRED does not discard packets during times in which a queue's minimum threshold has not been passed.
no drop
tail drop
partial SPF calculation
pulse code modulation
17. Data Terminal Ready.
discarding state
radio management aggregation
DTR
prefix list
18. 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.
token bucket
sticky learning
route redistribution
Temporal Key Integrity Protocol
19. Edge LSR.
E-LSR
man-in-the-middle attack
SSID
RF channel
20. Frequency hopping spread spectrum.
FHSS
IGMPv2 Group-Specific Query
blocking state
Forwarding Equivalence Class
21. Digital subscriber line - a common Internet service type for residential and business customers.
Multilayer Switching
Database Description
LLQ
DSL
22. Ethernet process by which devices attached to the same cable negotiate their speed and the duplex settings over the cable.
auto-negotiation
SRTT
All OSPF Routers
Access Control Server
23. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.
DE
partial update
source-specific addresses
straight-through cable
24. 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.
broadcast address
passive mode FTP
Graft message
GLBP
25. RFC 1918-defined IPv4 network numbers that are not assigned as public IP address ranges - and are not routable on the Internet. Intended for use inside enterprise networks.
encapsulation replication
local label
ASBR
private addresses
26. In the context of SNMP - the GetBulk command is sent by an SNMP manager - to an agent - requesting the values of multiple variables. The GetBulk command allows retrieval of complex structures - like a routing table - with a single command - as well a
passive (EIGRP)
port security
GetBulk
Point-to-Point Protocol
27. The rate at which a policer limits the bits exiting or entering the policer.
policing rate
RMON alarm
MRT
multicast MAC address
28. A style of attack in which an ICMP Echo is sent with a directed broadcast (subnet broadcast) destination IP address - and a source address of the host that is being attacked. The attack can result in the Echo reaching a large number of hosts - all of
IP SLA
Multicast Open Shortest Path First
routing black hole
smurf attack
29. 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
CS
source-based distribution tree
stub router (OSPF)
30. 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
RTO
Maximum Segment Size
VTP
DTP
31. A process on a computing device that issues requests for SNMP MIB variables from SNMP agents - receives and processes the MIB data - and accepts unsolicited Trap messages from SNMP agents.
Service Interworking
encapsulation replication
not-so-stubby area
SNMP manager
32. A routing protocol feature by which the routing update includes the entire set of routes - even if some or all of the routes are unchanged.
Port Address Translation
full update
Yellow Alarm
internal DSCP
33. A bit in the Frame Relay header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
Discard Eligible
stub router (EIGRP)
E2 route (OSPF)
NA
34. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
Holddown timer
Gateway Load Balancing Protocol
MPLS Experimental (EXP)
Neighbor Solicitation
35. The second byte of the IP header - formerly known as the ToS byte and redefined by DiffServ.
Update timer (RIP)
pulse code modulation
DS field
DHCP snooping
36. An optional transitive BGP path attribute used to store 32-bit decimal values. Used for flexible grouping of routes by assigning the group the same COMMUNITY value. Other routers can apply routing policies based on the COMMUNITY value. Used in a larg
DTE
COMMUNITY
Outside Global address
MIB
37. The SNMP specifications - standardized in RFCs - defining the rules by which SNMP MIB variables should be defined.
Time Interval (Tc)
Structure of Management Information
service set identifier
Multicast Listener Discovery
38. In MPLS - the mapping of an IP prefix and a label - which is then advertised to neighbors using LDP.
label binding
variance
CQ
CIR
39. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
Invalid timer
window
remote label
MTU
40. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.
maximum reserved bandwidth
LSR
Remote VLAN
virtual circuit
41. Structure of Management Information.
encoding
Report Suppression mechanism
source-based distribution tree
SMI
42. Used by WRED to calculate the maximum percentage of packets discarded when the average queue depth falls between the minimum and maximum thresholds.
AutoQos
mark probability denominator
encoding
RP
43. 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.
peer group
weight (BGP)
virtual link
passive mode FTP
44. A field within a route entry in a routing update - used to associate a generic number with the route. It is used when passing routes between routing protocols - allowing an intermediate routing protocol to pass information about a route that is not n
RID
Wired Equivalent Privacy
active mode FTP
Route Tag field
45. 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.
traffic contract
E2 route (OSPF)
MPLS TTL propagation
straight-through cable
46. A term generally describing characteristics about BGP paths that are advertised in BGP Updates.
Management Information Base
path attribute
default route
stuck-in-active
47. Cisco Group Management Protocol.
internal BGP
SSH
broadcast domain
CGMP
48. With routing protocols - the measurement of favorability that determines which entry will be installed in a routing table if more than one router is advertising that exact network and mask.
metric
PAP
QV
source-specific addresses
49. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.
active (EIGRP)
DSCP-to-CoS map
Discard Eligible
internal DSCP
50. Regeneration of the Layer 2 encapsulation removed from frames forwarded in a SPAN session.
LOCAL_PREF
encapsulation replication
ND
Hello (OSPF)