400-101 Exam Dumps | Which statement is true regarding the UDP checksum?

<< Prev Question Next Question >>

Question 10/339

Which statement is true regarding the UDP checksum?

A. It is used for congestion control.

B. It cannot be all zeros.

C. It is used by some Internet worms to hide their propagation.

D. It is computed based on the IP pseudo-header.

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...

Question 10/339

LEAVE A REPLY

Download PDF File