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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. 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.
AS_PATH length
outer label
congestion window
synchronization
2. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
BDR
remote label
MIB-II
Smoothed Round-Trip Time
3. In MPLS VPNs - an entity in a single router that provides a means to separate routes in different VPNs. The VRF includes per-VRF instances of routing protocols - a routing table - and an associated CEF FIB.
NTP server mode
Virtual Routing and Forwarding table
VLAN filtering
MTU
4. The MD5-encoded password defined by the enable secret command.
enable secret
neighbor (OSPF)
Rapid Spanning Tree Protocol
trunking
5. 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.
input event
feasible successor
DHCP snooping binding database
RTP
6. A specification for the 64-bit interface ID in an IPv6 address - composed of the first half of a MAC address - hex FFFE - and the last half of the MAC.
SCP
mincir
path attribute
EUI-64
7. A tunneling protocol that can be used to encapsulate many different protocol types - including IPv4 - IPv6 - IPsec - and others - to transport them across a network.
generic routing encapsulation
subnet
DSR
collision domain
8. Data terminal equipment.
ELMI
DTE
multicast IP address range
dual stack
9. A T1 alarm state that occurs when a device has detected a local LOF/LOS/AIS condition. The device in Red alarm state then sends a Yellow alarm signal.
Ready To Send
Red Alarm
BPV
Goodbye (EIGRP)
10. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.
multicast MAC address
FEC
RT
Point-to-Point Protocol
11. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.
ISATAP
AES
routing black hole
customer edge
12. With RIP - a per-route timer that increases until the router receives a routing update that confirms the route is still valid - upon which the timer is reset to 0. If the updates cease - the Invalid timer will grow - until reaching the timer setting
PPP
Layer x PDU
Label Switch Router
Invalid timer
13. 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.
anycast
peak information rate
Retransmission Timeout
transient multicast group
14. Dynamic Host Configuration Protocol.
DHCP
Neighbor Discovery Protocol
Border Gateway Protocol
Trap (SNMP)
15. An MPLS term referring to any device that can forward packets that have MPLS labels.
aggregatable global unicast address
hardware queue
Label Switch Router
Neighbor Solicitation
16. A standard (RFC 2131) protocol by which a host can dynamically broadcast a request for a server to assign to it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address. DHCP provides a great de
STP
Dynamic Host Configuration Protocol
shared distribution tree
Neighbor Discovery Protocol
17. Defined in IEEE 802.1s - a specification for multiple STP instances when using 802.1Q trunks
Multiple Spanning Trees
weight (BGP)
802.11g
confederation
18. Temporal Key Integrity Protocol.
TKIP
transit network (OSPF)
internal DSCP
CHAP
19. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be
tail drop
spread spectrum
PVC
Get (SNMP)
20. Digital Signal Level 3.
LSA type (OSPF)
static length subnet masking
DS3
RT
21. Defined in RFC 1631 - a method of translating IP addresses in headers with the goal of allowing multiple hosts to share single public IP addresses - thereby reducing IPv4 public address depletion.
Network Address Translation
Differentiated Services
IGMPv1 Host Membership Report
shared distribution tree
22. With a routing update - or routing table entry - the portion of a route that defines the next router to which a packet should be sent to reach the destination subnet. With routing protocols - the Next Hop field may define a router other than the rout
Network Control Protocol
MD5
Next Hop field
STP
23. 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.
ABR
administrative weight
BPV
network allocation vector
24. Jargon referring to a policer action through which - instead of discarding an out-of-contract packet - the policer marks a different IPP or DSCP value - allowing the packet to continue on its way - but making the packet more likely to be discarded la
TACACS+
sub-AS
edge LSR
marking down
25. Three core security functions.
802.11a
IGMPv2 Group-Specific Query
authentication - authorization - and accounting
MIB
26. Message sent by a PIM-DM router to a downstream router when it receives a Graft message from the downstream router; sent using the unicast address of the downstream router.
shared distribution tree
Loss of Frame
Graft Ack message
RSTP
27. The first 6 bits of the DS field - used for QoS marking.
Differentiated Services Code Point
SNMP manager
split horizon
PE
28. Penultimate hop popping.
TCP code bits
PHP
radio management aggregation
data terminal equipment
29. A type of AS_PATH segment consisting of an ordered list of ASNs through which the route has been advertised.
data plane
AS_SEQUENCE
Layer x PDU
subnet zero
30. An 802.11 frame that access points or stations in ad hoc networks send periodically so that wireless stations can discover the presence of a wireless LAN and coordinate use of certain protocols - such as power-save mode.
beacon
DTIM interval
source registration
encoding
31. 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.
NO_EXPORT
request-to-send/clear-to-send
CDPCP
Multicast Open Shortest Path First
32. Network Address Translation-Protocol Translation.
direct sequence spread spectrum
IP Source Guard
NAT-PT
DSCP
33. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.
ToS byte
switched virtual circuit
SPF calculation
IPCP
34. A set of parameters for CBAC to perform in its traffic inspection process.
MD5 hash
Measured Round-Trip Time
inspection rule
router ID
35. Defined in RFC 2091 - the extensions define how RIP may send a full update once - and then send updates only when routes change - when an update is requested - or when a RIP interface changes state from down to up.
Triggered Extensions to RIP for On-Demand Circuits
graceful restart (OSPF)
BackboneFast
RP
36. Superframe
dual token bucket
SF
IP Control Protocol
Alternate Mark Inversion
37. Weighted random early detection.
modified tail drop
Bootstrap Router (BSR)
private VLAN
WRED
38. With EIGRP - a route that is not a successor route - but that meets the feasibility condition; can be used when the successor route fails - without causing loops.
mark probability denominator
feasible successor
one-time password
Multi-VRF CE
39. A type of OSPF packet - used to communicate LSAs to another router.
Network Based Application Recognition
link-state routing protocol
Link-State Update
E1
40. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.
224.0.0.2
VLAN Trunking Protocol
RTP header compression
Maxage timer (STP)
41. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.
Common Spanning Tree
SAFE Blueprint
single-rate - two-color policer
PIR
42. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.
dual stack
PIR
Wi-Fi Protected Access
virtual link
43. Protocol Independent Multicast dense-mode routing protocol.
PIM-DM
strict priority
priority (OSPF)
optional transitive
44. In IP routing - a term referring to the building of IP routing tables by IP routing protocols.
TCP header compression
MTU
Link Fragmentation and Interleaving
control plane
45. An MPLS VPN term referring to the more efficient choice of popping the outer label at the second-to-last (penultimate) LSR - which then prevents the egress PE from having to perform two LFIB lookups to forward the packet.
Rapid Spanning Tree Protocol
internal router (OSPF)
limiting query scope (EIGRP)
penultimate hop popping (PHP)
46. A router feature used when a router sees an ARP request searching for an IP host's MAC - when the router believes the IP host could not be on that LAN because the host is in another subnet. If the router has a route to reach the subnet where the ARP-
proxy ARP
CST
data communications equipment
Multi-VRF CE
47. A term referring to the MQC class-map command and its related subcommands - which are used for classifying packets.
class map
LFI
multicast state information
client tracking
48. Refers to how a router views a BGP peer relationship - in which the peer is in the same AS.
internal BGP
P router
backup designated router
MD5
49. Wired Equivalent Privacy.
WEP
confederation identifier
backup designated router
E1
50. Jargon referring to the minimum value to which adaptive shaping will lower the shaping rate.
minimum CIR
Reply (EIGRP)
FD
ROMMON