400-101 Exam Dumps | Which TCP feature allows a client to request a specific packet that was lost?

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Question 282/339

Which TCP feature allows a client to request a specific packet that was lost?

A. flow control

B. sliding window

C. fast recovery

D. selective acknowledgment

Question List (339q): Question 1: Which statement describes the effect of the configuration li...; Question 2: As a best practice, when a router is configured as an EIGRP ...; Question 3: Which two options are reasons to manipulate the delay metric...; Question 4: Which two pieces of information does RTCP use to inform endp...; Question 5: What is the purpose of Route Target Constraint?...; Question 6: Which is the way to enable the control word in an L2 VPN dyn...; Question 7: Which three types of traffic are allowed by IEEE 802.1X acce...; Question 8: Which two statements about BPDU guard are true? (Choose two....; Question 9: Which two statements best describe the difference between ac...; Question 10: Which statement is true regarding the UDP checksum?...; Question 11: You are tasked with configuring a router on an OSPF domain t...; Question 12: For which feature is the address family "rtfilter" used?...; Question 13: Refer to the exhibit. Which configuration reduces CPU utiliz...; Question 14: Which two actions can you take to recover an interface in a ...; Question 15: Which two fields reside in the initial CHAP challenge packet...; Question 16: If two OSPF type 3 prefixes have the same metric, and are wi...; Question 17: Refer to the exhibit. (Exhibit) Which statement about the to...; Question 18: Which option describes how a router responds if LSA throttli...; Question 19: Which option describes how a VTPv3 device responds when it d...; Question 20: Refer to the exhibit. (Exhibit) If the route to 10.1.1.1 is ...; Question 21: Which three statements describe the characteristics of a VPL...; Question 22: Which three statements about RIP timers are true? (Choose th...; Question 23: Which option describes what the default RT filter indicates ...; Question 24: Which congestion-avoidance or congestion-management techniqu...; Question 25: Which statement about the EIGRP RTO is true?...; Question 26: A configuration includes the line ip nbar port-map SSH tcp 2...; Question 27: What are two reasons to define static peers in EIGRP? (Choos...; Question 28: Which flag in a configuration BPDU instructs all switches to...; Question 29: What is Nagle's algorithm used for?...; Question 30: In a network where a Layer 2 switch interconnects several ro...; Question 31: Which two statements about 6VPE are true? (Choose two.)...; Question 32: Which command sets the maximum segment size for a TCP packet...; Question 33: Which two statements about Inverse ARP are true? (Choose two...; Question 34: Which two statements are true about IS-IS? (Choose two.)...; Question 35: What is the main component of Unified MPLS?...; Question 36: Refer to the exhibit. (Exhibit) Which two statements about t...; Question 37: Which two statements about the BGP community attribute are t...; Question 38: Which two tunneling techniques determine the IPv4 destinatio...; Question 39: In an STP domain, which two statements are true for a nonroo...; Question 40: Which three values can be used to tag external EIGRP routes?...; Question 41: Which regular expression will only allow prefixes that origi...; Question 42: You are implementing new addressing with EIGRP routing and m...; Question 43: A GRE tunnel is down with the error message %TUN-5-RECURDOWN...; Question 44: Which three options are three of the default EIGRP administr...; Question 45: Which statement about BGP and diverse path advertisement is ...; Question 46: Which three TLVs does LLDP use to discover network devices? ...; Question 47: What is a disadvantage of using aggressive mode instead of m...; Question 48: Which statement about the OSPF Loop-Free Alternate feature i...; Question 49: A service provider is deploying L2VPN LAN services in its MP...; Question 50: Which statement about passive interfaces is true?...; Question 51: While troubleshooting an issue for a remote user, you must c...; Question 52: Which protocol uses a proprietary 2-byte Type field for mult...; Question 53: Which three statements about IS-IS are true? (Choose three.)...; Question 54: Which technology is not necessary to set up a basic MPLS dom...; Question 55: External EIGRP route exchange on routers R1 and R2 was faili...; Question 56: Which two statements about private VLANs are true? (Choose t...; Question 57: Which two statements about the max-age time in IS-IS are tru...; Question 58: Which two options are ways in which an OSPFv3 router handles...; Question 59: Which two OSPF LSA types are flooded within the originating ...; Question 60: Consider an OSPFv3 network with four parallel links between ...; Question 61: A configuration includes the line ip route 10.0.0.0 255.0.0....; Question 62: Which additional feature must be enabled on a switch to allo...; Question 63: What is the cause of ignores and overruns on an interface, w...; Question 64: Which three elements compose a network entity title? (Choose...; Question 65: Which ICMP message type is used to assist path MTU discovery...; Question 66: Which two statements about the C-bit and PW type are true? (...; Question 67: Which statement about NAT64 is true?...; Question 68: Which three options are best practices for implementing a DM...; Question 69: Into which two pieces of information does the LISP protocol ...; Question 70: Which two statements are true about an EVPL? (Choose two.)...; Question 71: Which attribute is not part of the BGP extended community wh...; Question 72: In a nonbackbone OSPF area, all traffic that is destined to ...; Question 73: Which technology can be used to secure the core of an STP do...; Question 74: Which two solutions can reduce UDP latency? (Choose two.)...; Question 75: Which two 802.1D port states are expected in a stable Layer ...; Question 76: Which two options are mandatory components of a multiprotoco...; Question 77: What is the goal of Unicast Reverse Path Forwarding?...; Question 78: Which two statements about SNMP traps are true? (Choose two....; Question 79: Which option describes the effect of the OSPF default-inform...; Question 80: Which two statements are true about RSTP? (Choose two.)...; Question 81: On which three options can Cisco PfR base its traffic routin...; Question 82: Which two statements are true about VPLS? (Choose two.)...; Question 83: Which two statements are true about OTV? (Choose two.)...; Question 84: Which two statements about the function of the stub feature ...; Question 85: Which statement about Cisco Discovery Protocol is true?...; Question 86: Which two protocols does the Management Plane Protection fea...; Question 87: What is the function of an EIGRP sequence TLV packet?...; Question 88: Which two features does the show ipv6 snooping features comm...; Question 89: Which statement about the feasible distance in EIGRP is true...; Question 90: Which statement is true about trunking?...; Question 91: Which two options are EEM policies? (Choose two.)...; Question 92: Which three options are components of an EEM CLI policy? (Ch...; Question 93: Which two packet types does an RTP session consist of? (Choo...; Question 94: Which three statements about GET VPN are true? (Choose three...; Question 95: Which three EIGRP packet types are valid? (Choose three.)...; Question 96: Which three options are sources from which a SPAN session ca...; Question 97: In which type of EIGRP configuration is EIGRP IPv6 VRF-Lite ...; Question 98: What is the destination multicast MAC address for BPDUs on t...; Question 99: Which statement is true about Fast Link Pulses in Ethernet?...; Question 100: Which data plane protocol does EIGRP Over the Top use?...; Question 101: What is a reason for an EIGRP router to send an SIA reply to...; Question 102: In which two situations is an EIGRP hello packet sent as uni...; Question 103: What are two advantages to using Asynchronous mode instead o...; Question 104: Which BGP feature allows BGP routing tables to be refreshed ...; Question 105: Which two options are actions that EEM can perform after det...; Question 106: Which regular expression will match prefixes from the AS 200...; Question 107: Which three statements about the designated router election ...; Question 108: Which mechanism does Cisco recommend for CE router interface...; Question 109: You are configuring Wireshark on a Cisco Catalyst 4500E Swit...; Question 110: Which option is the result if two adjacent routers are confi...; Question 111: Which two statements about the ipv6 ospf authentication comm...; Question 112: Which statement about the function of poison reverse in EIGR...; Question 113: Which three statements about EIGRP and BFD are true? (Choose...; Question 114: Which three statements are true about OSPFv3? (Choose three....; Question 115: Which two statements about BGP loop prevention are true? (Ch...; Question 116: Which two options are reasons for TCP starvation? (Choose tw...; Question 117: Which type of port would have root guard enabled on it?...; Question 118: Which two options are EIGRP route authentication encryption ...; Question 119: Which three roles does a key server perform when used with G...; Question 120: Which two statements are true about IPv6 multicast? (Choose ...; Question 121: Which two Cisco IOS XE commands can install a subpackage ont...; Question 122: What does a nonzero forwarding address indicate in a type-5 ...; Question 123: Which two statements about reverse ARP are true? (Choose two...; Question 124: Which regular expression will match prefixes that originated...; Question 125: You are configuring a DMVPN spoke to use IPsec over a physic...; Question 126: Which configuration sets a minimum quality of service on a L...; Question 127: Which command drops packets with unknown source addresses un...; Question 128: Which two DHCP messages are always sent as broadcast? (Choos...; Question 129: Which two statements about proxy ARP are true? (Choose two.)...; Question 130: Which technology can create a filter for an embedded packet ...; Question 131: Which option is the most effective action to avoid packet lo...; Question 132: What is the ip dhcp snooping information option command used...; Question 133: Which circumstance can cause TCP starvation and UDP dominanc...; Question 134: Which Carrier Ethernet service supports the multiplexing of ...; Question 135: Which Cisco IOS XE process administers routing and forwardin...; Question 136: Which three types of traffic are protected when you implemen...; Question 137: Which three statements are functions that are performed by I...; Question 138: Which two statements are true about an EPL? (Choose two.)...; Question 139: Which statement about the BGP originator ID is true?...; Question 140: Which three statements about RIPng are true? (Choose three.)...; Question 141: Which two statements about NPTv6 are true? (Choose two.)...; Question 142: In GETVPN, which key is used to secure the control plane?...; Question 143: Which three options are results of the command no mpls ip pr...; Question 144: Which circumstance can cause packet loss due to a microburst...; Question 145: Which three routing protocols utilize TLVs? (Choose three.)...; Question 146: Which problem can result when private AS numbers are include...; Question 147: Which three statements about VTP version 3 are true? (Choose...; Question 148: Which three statements about bridge assurance are true? (Cho...; Question 149: Which measure does ISIS use to avoid sending traffic with a ...; Question 150: Which two statements about SoO checking in EIGRP OTP deploym...; Question 151: In which 802.1D port state are the root bridge, the root por...; Question 152: When you configure the ip pmtu command under an L2TPv3 pseud...; Question 153: Which statement is true about VPLS?...; Question 154: Which two tasks are required for configuring SNMP to send tr...; Question 155: Which two statements about MAC ACLs are true? (Choose two.)...; Question 156: With AutoInstall, which mechanism allows for automatic addre...; Question 157: Which two statements describe characteristics of HDLC on Cis...; Question 158: Which statement describes the native VLAN concept in an ISL ...; Question 159: Which two statements about the command distance bgp 90 60 12...; Question 160: Which two options are valid for the number of bytes in a BGP...; Question 161: Which two mechanisms provide Cisco IOS XE Software with cont...; Question 162: Which two statements about port ACLs are true? (Choose two.)...; Question 163: Which technology can be used to prevent flooding of IPv6 mul...; Question 164: Refer to the exhibit. (Exhibit) Which feature can R1 use to ...; Question 165: Which two Cisco IOS AAA features are available with the loca...; Question 166: Which action does route poisoning take that serves as a loop...; Question 167: Which two statements are true about AAA? (Choose two.)...; Question 168: Which two options are the two main phases of PPPoE? (Choose ...; Question 169: Which statement describes the difference between a stub area...; Question 170: A TCP/IP host is able to transmit small amounts of data (typ...; Question 171: What is the hop limit for an MLD message?...; Question 172: How many address families can a single OSPFv3 instance suppo...; Question 173: Which three fields are part of a TCN BPDU? (Choose three.)...; Question 174: Which two statements are true about a 6to4 tunnel connecting...; Question 175: Which three statements about IS-IS are true? (Choose three.)...; Question 176: Which statement about how a CE router is used in an MPLS VPN...; Question 177: Where should the passive-interface command be used?...; Question 178: Which two statements about the protected ports feature and t...; Question 179: Which two statements about Cisco Express Forwarding are true...; Question 180: Which statement is true about conditional advertisements?...; Question 181: Which technology is an application of MSDP, and provides loa...; Question 182: Which BGP aggregate address configuration advertises only th...; Question 183: Which authentication types does OSPF support?...; Question 184: What is the function of the command ip pim autorp listener?...; Question 185: Which two modes of operation does BFD support? (Choose two.)...; Question 186: Refer to the exhibit. (Exhibit) You are configuring the S1 s...; Question 187: Which BGP feature allows a router to maintain its current BG...; Question 188: Which statement about OSPF multiaccess segments is true?...; Question 189: Which three modes are valid PfR monitoring modes of operatio...; Question 190: What is a reason for 6PE to use two MPLS labels in the data ...; Question 191: Which three components comprise the structure of a pseudowir...; Question 192: Which protocol is the encapsulating protocol for mtrace pack...; Question 193: Like OSPFv2, OSPFv3 supports virtual links. Which two statem...; Question 194: Which three statements are true about PPP CHAP authenticatio...; Question 195: For which two conditions is Cisco Express Forwarding recursi...; Question 196: Which statement about MSS is true?...; Question 197: Which statement is true about MLD?...; Question 198: Which statement is true about LLDP?...; Question 199: Which authentication method does OSPFv3 use to secure commun...; Question 200: Which statement describes the purpose of the Payload Type fi...; Question 201: Which type of OSPF packet is an OSPF link state update packe...; Question 202: Which option is the default number of routes over which EIGR...; Question 203: Which statement about the BGP scope of the cost community is...; Question 204: What is a key advantage of Cisco GET VPN over DMVPN?...; Question 205: Refer to the exhibit. (Exhibit) If router R1 is functioning ...; Question 206: Which two services are used to transport Layer 2 frames acro...; Question 207: Which two options are signaling protocols that are used in M...; Question 208: Which three capabilities are provided by MLD snooping? (Choo...; Question 209: Which option is a core event publisher for EEM?...; Question 210: Which two configuration changes should be made on the OTP in...; Question 211: What is the range of addresses that is used for IPv4-mapped ...; Question 212: Which mechanism can be used on Layer 2 switches so that only...; Question 213: Which three options are three benefits of an MPLS VPN? (Choo...; Question 214: Which statement about WAN Ethernet Services is true?...; Question 215: Which two statements are characteristics of Ethernet private...; Question 216: With which ISs will an ISIS Level 1 IS exchange routing info...; Question 217: For which kind of MPLS deployment is the next-hop-self all k...; Question 218: Which three conditions can cause excessive unicast flooding?...; Question 219: Refer to the exhibit. R1 and R2 have a working VRF-Lite conf...; Question 220: Which three statements about the route preference of IS-IS a...; Question 221: Which group of neighbors can be configured as a BGP peer gro...; Question 222: Which option describes the purpose of the leak-map keyword i...; Question 223: Which statement is true regarding UDLD and STP timers?...; Question 224: Assume that the following MAC addresses are used for the bri...; Question 225: In which two modes do IPv6-in-IPv4 tunnels operate? (Choose ...; Question 226: When EIGRP is used as the IPv4 PE-CE protocol, which two req...; Question 227: What is the preferred method to improve neighbor loss detect...; Question 228: Which IPv6 tunneling type establishes a permanent link betwe...; Question 229: Which address is a MAC address that is mapped from an IPv6 a...; Question 230: Which TCP mechanism prevents the sender from sending data to...; Question 231: Which three condition types can be monitored by crypto condi...; Question 232: How many hash buckets does Cisco Express Forwarding use for ...; Question 233: Which three statements are true about an EtherChannel? (Choo...; Question 234: Which two commands enable OSPF graceful shutdown? (Choose tw...; Question 235: Which two features improve BGP convergence? (Choose two.)...; Question 236: Which two methods change the IP MTU value for an interface? ...; Question 237: Which command do you use to connect a dense-mode domain to a...; Question 238: Which three statements about Cisco HDLC are true? (Choose th...; Question 239: Which statement about the overload bit in IS-IS is true?...; Question 240: Which two metrics are measured with active probes when PfR v...; Question 241: MPLS LDP IGP synchronization is configured on a link. The OS...; Question 242: Under Cisco IOS Software, which two features are supported i...; Question 243: Packets from a router with policy-based routing configured a...; Question 244: Which multicast protocol uses source trees and RPF?...; Question 245: Which statement describes the function of the tracking objec...; Question 246: Refer to the exhibit. (Exhibit) This network is configured w...; Question 247: Which algorithm heavily influenced the algorithm used by pat...; Question 248: Which two protocols are not protected in an edge router by u...; Question 249: Which technology facilitates neighbor IP address resolution ...; Question 250: Which BGP feature enables you to install a backup path in th...; Question 251: How does having an EIGRP feasible successor speed up converg...; Question 252: What is the most secure way to store ISAKMP/IPSec preshared ...; Question 253: Which two statements about the function of a PIM designated ...; Question 254: Which option is the default maximum age of the MAC address t...; Question 255: What is the most efficient way to confirm whether microburst...; Question 256: Refer to the exhibit. (Exhibit) Which statement is true?...; Question 257: Which three features does GETVPN support to improve deployme...; Question 258: Which two protocols are used to establish IPv6 connectivity ...; Question 259: On an MPLS L3VPN, which two tasks are performed by the PE ro...; Question 260: Which three protocols can use enhanced object tracking? (Cho...; Question 261: Which two Cisco Express Forwarding tables are located in the...; Question 262: Which two values comprise the VPN ID for an MPLS VPN? (Choos...; Question 263: Which object tracking function tracks the combined states of...; Question 264: When deploying redundant route reflectors in BGP, which attr...; Question 265: You are backing up a server with a 1 Gbps link and a latency...; Question 266: What is the most common use for route tagging in EIGRP?...; Question 267: What are the three primary components of NetFlow? (Choose th...; Question 268: Which two functions are performed by the DR in OSPF? (Choose...; Question 269: Which option is the Cisco recommended method to secure acces...; Question 270: Which two features are supported when Cisco HDLC is implemen...; Question 271: What are the minimal configuration steps that are required t...; Question 272: Which command enables L2 QoS support in all VLANs (including...; Question 273: Which two statements about the metric-style wide statement a...; Question 274: When you migrate a network from PVST+ to rapid-PVST+, which ...; Question 275: Which two BGP path attributes are visible in Wireshark? (Cho...; Question 276: Which statement about the NHRP network ID is true?...; Question 277: Which three statements about SPAN traffic monitoring are tru...; Question 278: Which OSPF feature supports LSA rate limiting in millisecond...; Question 279: Which statement about a type 4 LSA in OSPF is true?...; Question 280: The session status for an IPsec tunnel with IPv6-in-IPv4 is ...; Question 281: Which statement about OTV is true?...; Question 282: Which TCP feature allows a client to request a specific pack...; Question 283: Which service is disabled by the no service tcp-small-server...; Question 284: Which two options are benefits of EIGRP OTP? (Choose two.)...; Question 285: Which two statements about LDP advertising when Explicit Nul...; Question 286: Which two options are interface requirements for turbo flood...; Question 287: Which option describes a limitation of Embedded Packet Captu...; Question 288: Refer to the exhibit. (Exhibit) Which two options are effect...; Question 289: By default, how does a GET VPN group member router handle tr...; Question 290: Which two are features of DMVPN? (Choose two.)...; Question 291: Which three statements about implementing an application lay...; Question 292: Which two events occur when a packet is decapsulated in a GR...; Question 293: According to RFC 4577, OSPF for BGP/MPLS IP VPNs, when must ...; Question 294: Which statement is true comparing L2TPv3 to EoMPLS?...; Question 295: Which three statements about GLBP are true? (Choose three.)...; Question 296: Which timer expiration can lead to an EIGRP route becoming s...; Question 297: Which three features are considered part of the IPv6 first-h...; Question 298: Which statement describes the BGP add-path feature?...; Question 299: DRAG DROP Drag and drop the DSCP PHB on the left to the corr...; Question 300: Which two statements are true about unicast RPF? (Choose two...; Question 301: What is the new designation for the MPLS EXP (experimental) ...; Question 302: What is a cause for unicast flooding?...; Question 303: Which two routing protocols are not directly supported by Ci...; Question 304: Which two statements about RSTP and MSTP BPDUs are true? (Ch...; Question 305: Which technology can be affected when switches are used that...; Question 306: How many bytes comprise the system ID within an IS-IS NET?...; Question 307: Which option is a correct match criteria for policy-based ro...; Question 308: Which three features require Cisco Express Forwarding? (Choo...; Question 309: Which VPN technology requires the use of an external key ser...; Question 310: Consider a network that mixes link bandwidths from 128 kb/s ...; Question 311: Which two options are BGP attributes that are updated when r...; Question 312: Which two statements about OSPF route types are true? (Choos...; Question 313: Which two parameters does the Tunnel Mode Auto Selection fea...; Question 314: Which three protocols support SSM? (Choose three.)...; Question 315: Which field is specific to the OPSFv3 packet header, as oppo...; Question 316: Which term describes an EIGRP route that has feasible succes...; Question 317: Which two descriptions of the keying mechanisms that are use...; Question 318: Where must the spanning-tree timers be configured if they ar...; Question 319: Which statement about the RPF interface in a BIDIR-PIM netwo...; Question 320: Which option is the default point of insertion for the BGP c...; Question 321: Which three statements about the differences between Cisco I...; Question 322: Where is multicast traffic sent, when it is originated from ...; Question 323: Which two loop-prevention mechanisms are implemented in BGP?...; Question 324: Which IPv6 prefix is used for 6to4 tunnel addresses?...; Question 325: Which implementation can cause packet loss when the network ...; Question 326: Which EIGRP packet types are sent as unicast packets?...; Question 327: Which bit should be set in the link-state PDU of an IS-IS L1...; Question 328: Which two statements about IPsec VTI implementation are true...; Question 329: Which two features are used for inspection when IPv6 address...; Question 330: Which three statements are true about VSS? (Choose three.)...; Question 331: Which EIGRP configuration results in subsecond failover outs...; Question 332: Which two statements about the default behavior of IS-IS are...; Question 333: What is the purpose of EIGRP summary leaking?...; Question 334: What is the maximum number of secondary IP addresses that ca...; Question 335: Which statement is true when using a VLAN ID from the extend...; Question 336: When BGP route reflectors are used, which attribute ensures ...; Question 337: Which two advantages does CoPP have over receive path ACLs? ...; Question 338: Which option describes the purpose of the PPP endpoint discr...; Question 339: EIGRP allows configuration of multiple MD5 keys for packet a...

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